The basics of the Fediverse. Facebook, Instagram, Reddit, ... vs the Fediverse
old.reddit.com
Frankly, what people need — myself included — is just equivalent apps, a list of "whys" (the right side of your table), and a step-by-step...

I think people who want to signup for something will not ask this many questions, they will just jump in. These are often just excuses to stay complacent on Reddit.

Edit: they signed up! They were just being analytical I guess.