Google has already all but abandoned Flutter for their own apps and said they were going to focus on using the native iOS toolkit.
It's about apps that are already written in native iOS code, which are currently using custom Material Design components (which are mostly/entirely in obj-c), and that going forward those custom Material components are going to be phased out and apps will use standard UIKit elements instead.
This tells you absolutely nothing about Google's commitment to flutter.
They also aren’t using Dart and are using Objective C.
But that doesn’t mean they are moving away from Flutter for first party apps?