For the vast majority of (mobile) apps, the benefit of being able to be built from a single code base outweighs being slightly behind vendor capabilities. Particularly things like there where it doesn't come up in some apps and relatively few people actually notice/care about it in those it does.
> The company’s official guidance to past developer users is to “follow Apple’s Human Interface Guidelines and consider using modern UIKit components or SwiftUI instead.” That said, it also plugged Flutter as the way to “get a Material look and feel across all platforms.”
Doesn't seem like the article you linked accurately represents your statement.
This wasn’t anything to do with Futter for the record and they even called it out in a quote saying that they continue to recommend Flutter in that article.