I'd say this is quite biased, which is fine I guess, we all have our biases. Seems his choice of F# is set in stone, so you either go with Bolero or you have 1+1 languages in your stack. This is also reflected in his choice of Xamarin: he "doesn't like" Dart as a language, so he's forced to choose "dotnet MAUI as a platform [which] might not be as mature and capable as Flutter even today". Flutter as well "suffers fr…
I would never choose a Google specific cross platform environment. A cross platform mobile environment constantly needs updating to stay consistent with the vendor’s platform. I wouldn’t trust Google to give that much attention to Flutter especially seeing they are moving away from it internally for iOS development. https://9to5google.com/2021/10/10/google-ios-apps-native/
I'll take a bet, use and choose Flutter for a long time.