Because they have the decency to respect other people's rights to exercise free speech and carry out lawful transactions. This is a basic expectation of a democratic citizen.
I'm not sure why you're singling me out specifically when I'm trying to explain to you how the law works, but you speak like an entitled authoritarian nit. Luckily for the rest of us, your ignorant opinion doesn't supersede the US Constitution.
Barely even "next" - itch might have gone overboard out of caution, but they hit random non sexual queer stuff already, and it's not hard to see how "don't do anything that hurts our brand" coming down from MC/Visa would lead to that basically immediately. Lots of stuff could hurt a corporate brand. Maybe your product has some bad press so now it's removed from storefronts, etc.
