alot of people speed
alot of people download torrent movies & software
alot of people cheat on their expense reports (and wives)
alot of people smoke pot
alot of people infringe on other people's intellectual property & trademarks
As stated.....yes it is illegal, some of the people you see selling them may have purchased a license to reproduce the logo, other probably did not, while you may not hear of people getting in trouble for doing it most that get caught simply get a C&D letter with a promise to sue, that's normally enough to get them to stop.
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