Sure, cross-platform UI that's on the metal is a more accurate description.
[0] https://www.construct.net/en/blogs/ashleys-blog-2/simple-sof...
On the other hand, it looks like Rust is only moderately more popular than Dart: https://www.tiobe.com/tiobe-index/
But I can see why they'd steer away from a language controlled by one company, especially one notorious for killing off projects.