Yeah, I find it funny (in a nervous chuckle kind of way) that a bunch of people distrust experts (especially doctors) until they offer their services for free and it's suddenly "good" advice even when it's not.
I mean, I agree that we should have them, and your personal reasons for doing so are great ones, especially the invitation part. Also, somehow this is my first time seeing IANAL lol
EDIT: Thanks for the history part, I may have to look a little more into the birth of the internet
Try Pornhub... bonus points for being a Canadian site if you're boycotting US stuff /s
Jokes aside, try the basic stuff that don't require a machine, like planks. Just make sure it doesn't put any stress on that foot