Quite funny that you try to generalize a statement from what appears to be just one single example (note: mono developer here and this is the first news I have about a fuckup like this).
It comes with the territory, I'm afraid. Some users will try something once, find a bug or limitation, decide the platform sucks and never touch it again (and if the platform is worthless, why bother filing a bug report.) I've been guilty of it myself quite a few times. First impressions count for a lot, and they can be difficult to control.