I expect they mean the site google.com, because that’s been my experience. Whenever I get captcha’d there for using a VPN (which is getting more and more common), I always see the Maps image style captcha. Like 60% of the time it tells me I’m wrong anyway and I just give up.

With opnwrt you can do DNS hijacking, where you force redirect DNS requests for other servers to your own DNS server. This works as long as they aren’t encrypted (DNS over HTTPS or TLS), which most devices don’t use.

Correct, Backblaze is their own host and post on their blog often about their tech and processes. They’ve got a lot of good info on how they designed their server storage racks and stats on drive failures by brand etc

There is a comfort mode setting for the ED rover that keeps your view level to the horizon while the rover moves around you.

Alternatively Lichess which is FOSS (and can be found on fdroid)

It’s not exactly the same but you can use the SponsorBlock addon to skip the non-music segments of music videos when playing in browser, and for Android there’s a fork of NewPipe that has this integrated.