But that is the point: how can you say the reaction is over the top if you don't know what is being reacted to?
Chants of 'na na na na hey hey hey goodbye' or 'we can see you sneaking out' and absolutely, complaints are unreasonable. If people are aggressively threatening you, promising...
There are some people near me who have occasionally had people complain about about them (to them not the club). They then spend the rest of the game petulantly moaning, for example, someone complained about their language, so they spent the rest of the game either spelling swear words, or...