> "Why should you lock your door if you don't have anything expensive?"

Locks come standard on every door, they don't expire after a given time and every child knows how to use them. See how your comparison to acquiring, setting up and maintainning an SSL certificate is nonsensical?

> And to think HTTPS could have avoided that.

If the NSA tags people who look for info on TOR as extremists, an hypothetical state might tag people who use HTTPS. And to think that HTTP could have avoided that! I mean, if every argument is an hypothetical, anything is possible.