Fully agree (been an early Flutter adopter!). It's always the right too for the right job, declarativness makes a lot of sense for most UIs. UIs are surprisingly more complicated than one might think, there is accessibility/ theming/ keyboard traversal etc., just declaring UI and letting the framework figure out the rest has held up pretty well.

And because of the open source nature you can always drop down in layers, just a few weeks ago I made a very specific engine optimization, all while the application code on-top can stay declarative!