Mozilla added a feature to allow users to disable DOH network wide (also supported by the notracking list).

Info from notracking: https://github.com/notracking/hosts-blocklists#dns-over-http... Info from Mozilla: https://support.mozilla.org/en-US/kb/configuring-networks-di...

Not sure if Microsoft will do something similar? Else there is still the option to set up your own (local) DOH server and let your router route all DOH traffic to your local DOH instance.