Operating systems are going to do DoH (Microsoft already is), and that's going to be the end of it --- browsers, the most important application, are already bought in. DoT is a footnote.
https://developers.google.com/speed/public-dns/docs/using#an...
PS: I have been using it for a while and it works fine.
That's an interesting way to phrase it. The RFC for DoH is co-authored by Mozilla. They didn't buy in, they created it.