I hear you, but simultaneously everyone (including me) has a certain limit to which they will be principled. If it happens like I mentioned, I will jump ship. On macOS, Firefox still guzzles battery compared to Chromium browsers. This seemed like a thing that, whilst not fixed, was actively being worked on. If I had to hazard a guess, that will slip heavily in priority now.

Who knows. The best way to vote is to be an active user of the product and give feedback that power use should be a priority.