DoH is fine if a bit complicated. The problem is who the DoH provider is. Usually it's Cloudflare.
> One of the reasons a variety of providers have been pushing for DoH is because DoH fully closes the risk of ISP MITM without needing individual site operators to do anything.
... by replacing it with Google/Cloudflare MITM with whom the user doesn't even have a business relationship or even shared jurisdiction.
The business relationship most home users have with their ISP explicitly permits that ISP to harvest data from their DNS requests.
I'm glad you know everyones ISP terms of services as well as the local laws that restrict which parts of them are worth a damn.
One of the reasons a variety of providers have been pushing for DoH is because DoH fully closes the risk of ISP MITM without needing individual site operators to do anything. This is why you're seeing folks like Firefox and Chrome enable DoH by default.