Alexis Sanchez scored twice as Arsenal returned to winning ways on Thursday following successive draws, climbing above Manchester City and into third place in the Premier League in the process.
With Chelsea, Manchester United and Liverpool all out of the picture, this season represented a golden opportunity for Arsenal to end their 12-year title wait, but Wenger feels that it is unfair to single his side out for criticism.
"It is difficult for everybody," said the Frenchman, whose team now have a four-point cushion over fifth-place Manchester United in the scramble for a top-four finish and a place in next season's Champions League.
"Yes, OK, but you can say that for any other team because Leicester were bottom of the table last year. So you could say all the 19 teams can say that."
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Despite Arsenal's victory, there was no disguising the lack of any sense of occasion, with thousands of empty seats visible throughout the game.
Asked if he had a message for the fans who had stayed away, Wenger told his post-match press conference: "Come and support the team. If you love football, I think you'll see quality football.
The Chile international opened the scoring in the sixth
minute, spinning away from Sandro in midfield and drilling home from outside the box, before adding a neat free-kick seven minutes prior to half-time.
"He had a top-quality first half and in the second half he dropped a little bit physically, but overall his contribution was vital," Wenger said of Sanchez.
Wenger also praised 19-year-old Nigerian forward Alex Iwobi, who started for the sixth game running.
"He's improving game after game, because he is just coming in, so that's one of the positives of the season," said Wenger. Game after game, he shows quality. He's surprising and his consistency is as well surprising, because he has played only youth-team football and suddenly he plays at that pace.
West Brom manager Tony Pulis, whose side remain 10 points clear of the relegation zone, said that he had "no complaints" about the result. West Brom have scored just once in their last five games, with Saido Berhaino squandering two penalties in Saturday's 1-0 defeat by Watford, and Pulis admitted that his side's finishing was a source of concern.
"We've missed chances," he said. "In the last game we missed two blinking penalties. So we've had the opportunities, we just haven't put them in the back of the net."
"I've got (into) enough trouble this year talking about referees," said the Welshman. "I'll let you decide that.