I agree with this. Even tho they have good things and bad things.
This is good because many players cant afford a spawner and it is too hard for them to get items so a Public Grinder can help them get their supplies fast.
This is also good because maybe players want their island to be only houses or shops. But they dont know or dont want to get one in their islands. Also some dont know and need help but people dont wanna help.
This is bad because this makes skyblock/islands very easy and it takes the challenges. This can also make some people very rich.