> Some for fanboyism, some because they would have to adapt, some don't even know what browser is.

And some because they find Firefox unusable. On macOS, Firefox is a subpar browser—it’s awful for automation (no AppleScript support) and accessibility (with Voice Control on, say “show numbers” in both Safari and Firefox). I could go on in all the ways it lacks, especially if I referenced other HN threads where macOS users talk about Firefox. Many of us try to like Firefox, but Mozilla doesn’t make it easy.