Probably due to "PoW" being power-hungry, but that's largely false because you only apply PoW here on users that are abusing the system. Allowing abusers to fr

Probably due to "PoW" being power-hungry, but that's largely false because you only apply PoW here on users that are abusing the system. Allowing abusers to freely abuse would cost even more power than just forcing them to do the work.