[1] https://consumerrights.wiki/w/Consumer_Rights_Wiki:Write_you...!
But it's not just online that I find these ploys. In fact, thanks to donating to the wrong non-profit, it's frightfully simple to end up with a stack of snail mail in the mailbox daily, often with free gifts to entice donations. I can't seem to find a simple, free way to turn it off.