for bringing on Holding instead of Wilshere, when it was palpably clear that Kos had signalled he was injured and had to come off.
Imagine going to the bother of attending a live event that you are *that* disengaged with and then getting *that* angry when your lack of engagement results in you totally missundertsanding what the fúck is going on?
Because you're angry about not winning (or, in our case, losing) and thus perceive everything that happens thought that prism and as either contributory to or symptomatic of that fact.
Football crowds - in case you hadn't noticed - are not wise, rational, considered or dispassionate things.