The best part of the fediverse is that anyone can run their own server. The downside of this is that anyone can easily create hordes of fake accounts, as I will now demonstrate.
Fighting fake accounts is hard and most implementations do not currently have an effective way of filtering out fake accounts. I’m sure that the developers will step in if this becomes a bigger problem. Until then, remember that votes are just a number.
Just rip them in the comments and boycott their brand
Edit: or even meme them into the ground. I could start a parody account if I saw someone advertising. I could pretend I’m them and align myself with nazi values in satire ads hypothetically.