“Sniff the cod” This is a typo right? I don’t know any better, but I had a good laugh.

A myth.

Where have I seen this before? Oh yeah: https://en.m.wikipedia.org/wiki/Edge_Games

They’ll be fine.

Honestly, I feel like the answer you’re looking for is a federated single sign on app. The real challenge will be building the right tools and community mindset for determining what a “trusted” instance is.