Chrome based browsers are pre-installed on Windows and Android.
Chrome based browsers are approximately the same in terms of speed/usability (this was not the case for internet explorer).
And 2. Cause a virtuous cycle where Chrome browsers are optimised for by Devs. Websites are less likely to have bugs for Chrome browsers because of this.
Anacdotally even some non-tech people know that Firefox is better for privacy.
In my opinion:
Anacdotally even some non-tech people know that Firefox is better for privacy.