Earlier quoted context omitted.
Nokia not only missed what users wanted but also how developers would like to work. Symbian had a strange and easy-to-misuse API, poor manuals, and app deployments were tied to telecom operators as there was no app store. I remember my ramp-up as a developer with the Apple ecosystem after working with Symbian. It wasn't evolution; it was like a leap to the next century. The documentation was excellent, the APIs were…
That's not completely fair. Nokia was clearly well aware of the pains of Symbian development, and they bought Qt to improve that. Qt was used both for Symbian and Maemo/MeeGo in the last years. Especially QML for the UI parts was well ahead of the competition, giving declarative and hardware accelerated UIs with great dev convenience.
In a community that was largety anti-Microsoft, joking how bad Windows CE and Pocket PC used to be, versus Symbian handsets.
The majority of the Symbian community felt betrayed and went elsewhere, to Apple and Google.