Interesting debate, i tend to think that Wez and chums are just enjoying themselves and having a laugh. They are probably really annoying but football is like that. You get fans from all walks of life and some people like to sit quietly and others like to sing and drink etc. It sounds like they wound up the villa fans, but banter occurs at all matches and they would never expect to be bricked, so it really isnt their fault.
Would you all like football to be a silent game or do you want a decent atmosphere? I dont mind characters like wez and friends and feel that they are part and parcel of the football experience. At the end of the day whether you are a 'drunk' or not we all support the same team so we should just accept that people are different.