Like the TSA at the airport.
Security that we never needed before, but now suddenly we do.
Now we’re dependent on a third party gatekeeper for permission to have a web site.
Free, for now.
It’s a move by the weasels-that-be to turn the Internet into yet another tool for profit and control.
@KingWizard is right, you don’t understand the fundamentals of this. You’re asking good questions, but people have been asking them decades ago and already found reasonably good answers. HTTPS works okay for what it does. Check out letsencrypt, watch some talks about it. Informing yourself about the matter will get you further than asking more random questions on lemmy.