Because prospective customers get shy when the browser says that your site is "insecure"

Because it factually is insecure. It is not encrypted and trivial to inspect.

Because it makes for better google ranking.

No, in this day and age it is permission to play. Firefox has a built in feature to only load HTTPS sites, which I have enabled. This has nothing to do with Google. Your issue is with expensive CAs, to which there is a free solution (Let's Encrypt). Not HTTPS itself.

So there you go. Mob hype and googlian dictatorship.

Incorrect. It is a matter of safety and security and a trivial thing to implement. You are free to not use HTTPS if you want, just as people are free to not consume your service if you don't.

Calling it a "dictatorship" is hyperbole and demonstrates that you clearly have no idea what you're talking about and won't listen to people that do.