[estimator7292]

Because due to Google having a near-monopoly on the entire goddamn Internet, a shocking number of websites and services will refuse to work with non-chrome browsers.

[breakingcups]

Apart from two exceptions about 5 years ago, I've yet to encounter any of these sites in practice in Firefox.

[aidenn0]

And even when they work with non-chrome browsers if you run into an issue, you won't be able to get it escalated without trying with chrome (or lying and saying you did, I suppose).

[niutech]

E.g. Vivaldi is Chromium-based but doesn't include Nano Banana.