I'd wager that a large portion of desktop Linux users choose Linux because they want configurability and to fiddle with their system to tune it to their preferences.
Encountering such an opinionated software suite on the platform is a culture shock for those people.
It's not even it being opinionated, it's being _so hideously_ opinionated. Windows is a pretty good spot, IME - KDE is a little much, macOS maybe a smidge too little, but GNOME just feels like a straitjacket.
