The 21-year-old is in hot water after a video emerged of him dancing and screaming at a flat in Soho, allegedly filmed at 2.37am the day before the FA Cup third-round tie.
"He can make a difference between what's going on outside and what's going on on the football pitch".
"If I think he can help the team to win it's nothing to do with the fact he can be punished separately and individually".
Arsene Wenger refused to explain his decision to drop Alexis Sanchez to the bench for Wednesday's 0-0 draw at Chelsea, but insisted he still hopes the Chile worldwide will stay at Arsenal for the rest of the season.More news: Thursday's Hangout With Steven Mnuchin and Sarah Huckabee Sanders
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"After Norwich it's the second nil-nil in a row".
Questioned about whether he also plans to sign a new midfielder to fill Coquelin's gap, Wenger said, "First of all, the best way to replace him is to get Aaron Ramsey back and Mesut Ozil back". "But the position was quite interesting because I was close to the bench and not too high up".
With Shordan Mustafi leading the way for the North Lonon team, Alexis Sanchez was started from the bench as Iwobi and Lacazette started. Midway through the second half, Andreas Christiansen headed off target.
Speaking on his side's lack of conversion, Conte said his side needed to train harder to pick up the slack: "In the last period we must be more clinical, if you don't score the game can finish in a draw". We have to improve on the training pitch in this situation. "It was by blocking the shot that turned his ankle", Wenger said.
The Blues have a Premier League encounter with Leicester City at Stamford Bridge on Saturday to focus on, while Arsenal make a trip to the Vitality Stadium to take on AFC Bournemouth on Sunday. Sometimes, there are spells when you score and don't score, but his effort for the team is good and he always tries. But in a major semifinal, and in the only domestic competition that Wenger has never won as Arsenal boss, it made little sense for Iwobi to get the nod.