Well I don't know if you can call it a dive exactly, they collided shoulder to shoulder and it was more of a leap, pirouette and belly flop. If Stirling's football career continues to go down the tubes (surely the worst player in the entire Premier League), then he will at least have a potential career as a ballerina. Luckily for us it wasn't really game deciding, and decisions like this go against you sometimes, but how City fans can pretend that Rafa "Prima Ballerina" Stirling doesn't have a lousy reputation for diving is beyond me. Wenger was just stating common knowledge.
Because even though Sterling does dive around, the monreal incident wasn't a dive as for the Sterlings footballing career going down the tube, he's probably winning the league this season and has outscored everyone in your team and out assisted everyone bar ramsay whilst being rotated in and out of the team