The glaring focus that has centered around one world-class Liverpool legend switched to another on Anfield's latest disappointing night.
The Egyptian forward has faced examination for his poor form this season - and was relegated to the sidelines for the consecutive Premier League game as the Black Cats came to town on Wednesday.
But it was skipper Virgil van Dijk, a exceptional defensive rock as Liverpool have swept up the complete set of top honors, whose struggles came under the microscope during the stalemate.
Van Dijk, 34, and Salah, 33, both signed lucrative new two-year deals in the summer, with scarcely a Liverpool concern voiced at the idea of offering extensions to a seasoned pair much closer to the end of their careers than the start.
Indeed, it was a moment of optimism - but now there is no denying the stark fact that performance has dipped worryingly for both.
Liverpool have been susceptible in defence ever since boss Arne Slot and the club's scouting department embarked on a £450m summer rebuild that has yet to prove anything like its worth.
Simultaneously, Van Dijk has started to shed the air of invincibility he has possessed since his £75m move from Southampton in January 2018.
Van Dijk has received little support by center-back colleague Ibrahima Konate's loss of form, along with Milos Kerkez not finding his feet at left-back. But the renowned star has also fought his own battles, as proved by his desperate handball that resulted in a penalty in the heavyweight Champions League loss to PSV Eindhoven at Anfield.
It was captured in the 67th minute on Wednesday when Chemsdine Talbi gave Sunderland a deserved lead, Van Dijk giving the ball away before backing away and turning his back on a 25-yard shot that hit him and floated out of the reach of goalkeeper Alisson.
For a defender of such unquestionable quality, Van Dijk has an unusual habit of turning away on the ball, sometimes to Liverpool's cost.
Bad luck at the end, yes, but it was a situation Van Dijk invited with his uncharacteristic failure to act decisively, Sunderland's Talbi capitalising.
"Van Dijk gives the ball away and then he just backs off. It's the mistake. He needs to go to the ball. Him not making the decision means that no one else knows what to do."
"Virgil Van Dijk last season couldn't make a mistake. Every game he was commanding, but right now he's erring and hesitating."
As with Salah, a player of Van Dijk's pedigree must not be discarded after securing two Premier Leagues, the Champions League, the FA Cup and two EFL Cups in a illustrious Liverpool career.
He has, though, looked a pale imitation of his usual imperious self this season, with the poest ball recovery rate per game during his Liverpool career, while defensive actions are also down on last season.
And, while leadership should not be Van Dijk's sole responsibility alone in a Liverpool team full of experience, it was missing here. No-one was inspiring a team that once again looked clueless to seize the initiative by the initiative.
Van Dijk's difficult night, which ended with him being used as the desperate measure of acting as an last-ditch attacker, was indicative of a deeply underwhelming Liverpool performance - which made Sunday's win at West Ham seem like the anomaly rather than the standard.
Slot persisted with the side that ended a run of nine losses in 12 games at London Stadium, Salah once more observing from the sidelines.
The Egyptian came on at the start of the second half as the Kop looked to him for inspiration. It was not forthcoming, with £125m Alexander Isak also ineffective after getting off the mark with his first league goal for Liverpool on Sunday.
Slot would have been under increased scrutiny had Florian Wirtz's 81st-minute shot not taken a deflection off Nordi Mukiele to set up what Liverpool hoped would be a thrilling finale.
Late drama came - but at the other end. Liverpool were only spared embarrassment in stoppage time when Federico Chiesa's superb tracking back allowed him to turn Sunderland substitute Wilson Isidor's shot off the line after he had dribbled past keeper Alisson.
Slot and his fading champions ultimately had to accept the point knowing it could have been worse, with Alisson fortunate to turn Trai Hume's shot onto the bar in the first half before Omar Alderete headed against the post after the interval.
Liverpool were slow, labored and devoid of creativity. Even the customary late surge after the equaliser carried little conviction. Showings like this are the reason their defense of their crown has collapsed.
But huge credit for the Reds' struggles on Wednesday must be given to Sunderland, who are being rewarded for a summer of notable ambition in the transfer market, coupled with the superb management of Regis le Bris.
The Black Cats were adventurous, assured and dangerous.
Sunderland are now sixth in the Premier League with 23 points. It is symptomatic of the manner in which they have adapted to life in the Premier League that they will be frustrated they left Anfield without adding two more to their tally.
For Slot and Liverpool, it is time for reflection.