Because the EU says you have it backwards? Ignoring European users is perfectly fine, but if you want to monetize them, you better play by their rules, unless you are more powerful than the EU. In theory. In practice do whatever you want.
Not following a law I'm not subject to is perfectly fine.
I'm free to insult the King of Thailand and drink scotch whisky all night long (as long as I don't die behind the wheel) contrary to the laws of Thailand and Saudi Arabia, respectively.