One I did like was one which showed the fantasy world they live in. One FC fan complained Wigan had nicked an FC song. The song? "Oh my lads you should have seen their faces...". I pointed out this was The Blaydon Races which had been Newcastle's song for a long time. Some seemed unaware of the song or its connection to Newcastle.
When I pointed out every rugby song they sung apart from Old Faithful was a football song I got the reply "they aren't football songs they are terrace songs". My enquiry as to which terraces they had started on received no reply. There was a discussion about Old Faithful being the oldest sporting song which again demonstrated their lack of any knowledge of these things.
Almost as deluded was the one who defended supporting a football team by asserting that you chose to support your local rugby team but your football team chose you. My observation that it was odd how Rochdale, Crewe, Hartlepool or Exeter never chose any of them was the end of that one.
I suggest you stop engaging with idiots, I don't deny what you've put there was said by FC fans but you'll find stuff equally deluded, misinformed and idiotic on this or any other sports forum in the country. Those with the loudest voice often have the least to say.
If your bothered (which I suspect your not) talk to some normal FC fans, they might dispel some of your generalisations.
There's bellends on here that give City fans a bad name and I'm sure if someone was looking in from the outside you wouldn't want to be associated with them either.