> But if they do DPI, it will be resolved once ESNI starts being deployed.

What if ISPs block requests with eSNI for all users, in order to be able to remain compliant with legal intercept legislation (e.g. warrant for suspected child porn investigation)?

There are conflicting desires with trade-offs, and all Mozilla is doing here is escalating the war, rather than trying to reach agreement with the rest of the industry on how to satisfy two different requirements.