I might be wrong, but I think Flutter was conceived during a time when Google was pushing hard for Dart. They even pushed for including native Dart support in b

I might be wrong, but I think Flutter was conceived during a time when Google was pushing hard for Dart. They even pushed for including native Dart support in browsers. Google probably still considers Dart highly relevant, especially since the upcoming Fuchsia OS seems to rely on Dart (and Flutter) for its apps.