Many popular websites see what you type before you hit submit
As an EU citizen, do the following: Paste some information about yourself into one of these forms without submitting, then send them an e-mail asking them to delete your personal information. Bonus points for having your lawyer write that mail, so it gets handled by their legal department instead of regular support. Watch them scramble trying to figure out how to even go about that. When gentle reminders to not irresponsibly collect data aren't enough, maybe a kick in the teeth will do.Shit sites becoming responsible for all the data they soak up couldn't have happened soon enough.