Ex: we have a pretty clear innocent until proven guilty justice system. This means there will always be people who are guilty who will not be punished. We can make that less likely by just throwing every suspect into jail. This protects the general public better then the current system. But most will agree that the cost of this is too high. So we don't do it. That doesn't mean we don't want the protect the public from criminals.
The people who are against cloudflare banning kiwifarms aren't debating for who to protect. They are debating about the cost of that protection.