When a public action is taken against a male/female streamer that makes their simps support them less.
The action someone can do to Simp-Block someone is to announce to the internet that a person has a girlfriend/boyfriend...
When Keemstar announced that Pokimane had a boyfriend he really simp-blocked her.
Jared-"So, I see you have been getting less donations on twitch"
Lily-"Yeah after Connor announced that I had a boyfriend I have been getting seriously simp-block