You've hit the major notes that made the biggest difference to switching in the early days. Worth mentioning too that in order to sow that field, chromium, then billed as an open source project, lifted much of those never IE power users out of Firefox specifically as well.
Similarly, if you want patrons to tell others what's great about your new restaurant, give them at least three good things to evangelize for you.
Fast. Freebies. Friendly.
Back then, Chrome crushed it. Today, it's equivalent to a joint being oversaturated with lazy managers taking advantage of gullible, unskilled teenagers and wondering why the whole place's gone to shit.
Firefox outperforms in all the key areas IMO. It's honestly a pretty cool space.
It could happen to any of us