Earlier quoted context omitted.
Odd - my experience is the opposite. FF is noticeably slower than Chrome, and my Chrome installation is loaded with extensions, unlike Firefox. Phoronix's tests seem to back my experience as well. From 4 days ago: "As for the Firefox vs. Chrome performance, Google's web browser continues generally delivering better performance." https://www.phoronix.com/scan.php?page=article&item=firefox6...
I don't know why people choose their browser based on resource usage. You can have a browser run by a company looking to loot the public good for their own gain, or a non-profit looking to keep the web open and free. Hold on I'm going to pick the one that's marginally faster and more ram efficient...
If I can't have ublock origin, I'm going back to internet explorer 11.