Spam is inevitable. Opining about ideal worlds is fun, but it's also irrelevant because that world is gone and it will never come back because it can't.
Alice is not beholden to example.com, she can use any hosting provider she wants. Moving providers isn't even that difficult. It's also totally irrelevant, because again spam is inevitable.
Alice is not beholden to example.com, she can use any hosting provider she wants. Moving providers isn't even that difficult. It's also totally irrelevant, because again spam is inevitable.