This is really the elephant in the room. For all we know, ISP bad-actors have never cared about DNS for data-collection purposes, and they're already using SNI

This is really the elephant in the room. For all we know, ISP bad-actors have never cared about DNS for data-collection purposes, and they're already using SNI to gather data to sell to marketers. I think it's absolutely crucial to find a way to (at least optionally) send SNI encrypted to the server.