> Stop getting your mom signed up on awful, unmoderated servers, then.
Ah yes, because it's so easy to figure out which of the thousands of Mastodon servers is not awful and is properly moderated. Or has any guarantees that it will be properly moderated in the future.
There's a big blue button on their homepage leading you to the general instance. You pick that. Instances don't matter for most people. If you aren't most people, you'll understand what that means by using the platform.
As for moderation, Mastodon does have plenty of moderation and federation allows for responsibility to be divided among server/instances owners. If anything, it scales better than a centralised alternative.
Ah yes, because it's so easy to figure out which of the thousands of Mastodon servers is not awful and is properly moderated. Or has any guarantees that it will be properly moderated in the future.