The original Eternal September was when a million AOL users were dumped onto Usenet and it was culturally unprepared for a million idiots yelling on a party line.
That's not going to happen here, unless you still use mastodon.social, in which case your local and public timeline are already completely unusable and you're stuck in a cubicle apartment forever.
Fedi's more fun and less stressful when you can actually talk to your neighbours, trust me.