No, he isn’t. Not when he and the team he has so lovingly put together continue to be shite when it matters. Yes, the atmosphere fans create in a stadium can have positive or negative effect but it ultimately goes back to how the team is performing. Sports is one of the various entertainment arenas where the fan(read customer) can immediately offer their reaction. Arsenal fans are simply reacting to the product( read mentally weak team) they are being provided
Arsenal fans booing or walking out etc doesn’t mean they won’t come back to support the team but it will get harder each time. Maybe we were spoiled in the early part of Wenger’s rule but I think we’ve also been teased long enough that things will get better.