[RossM]

Yes, everything does need to be HTTPS. If not for user privacy then for response integrity - to be sure the response hasn't been MITMed.

You might think most sites are innocuous, but it depends on where you live. I could see this site getting classified as "hacking/encryption-related" by something like sonicwall's firewall (HN too). What if your government tasks your ISP to round up all those trying to bypass state firewalls? Heck I live in a western country where our government is misguidedly angling to ban encryption. For the minimal effort involved, I believe all sites should be https.