Well, you still can't do that—WASM doesn't have DOM bindings, you'd still have to ship out to JS. I believe that's a goal, so yes eventually that could be a benefit, but not at the moment.
My next app I'm planning on using a Rust WASM DOM framework, and I know there are some in Go as well. This is primarily for developer UX.
One example among many ramping up
As for designers, thank you for finding a much more diplomatic phrasing than the one I was about to write.
I should just have linked something done in Unity instead.
And thanks to many, including HN readership, Chrome and Safari are the only browsers that many businesses care about nowadays.