i'd expect there would be a league approved scheme to share logos for official merchandise. they arent my cup of tea, i've bought one for my lads first game, and annoyed club didnt offer anything and i had to buy from hawker. if people want to buy thats up to them, theres a market for them and...
ive heard many on trains or pubs say "we got a result" or similar, referring to Liverpool/Chelsea/Tottenham. some people just like football and go along to the nearest club, while support their family/childhood alligance.