@goatsarah now that's an explanation I can understand, thanks.
However, we don't know yet how exactly Meta plans to implement monetization. If they show ads to the #threads users - by all means, I wouldn't care. I won't be using that app anyway and it does not take advantage of the #fediverse at large imo.
If they decide to push ads through federation protocol then they are a bad actor and need to be blocked.