> Chrome had the advantage for a long term because their dev tools were just so much better than Firebug in both features and performance. Even today, I can't pinpoint it to specific things because it's (relatively) little and subtle differences, but Chrome's dev tools feel way more polished than Firefox's.

My point exactly! You're talking about which browser to use for web development. That's not relevant for engineers not touching html/js/css, and for all non tech savvy family members whose computers we set up.