Sorry, I'll ask my question in a better way: what applications written in wasm that exist today would benefit from this?
Now, maybe there aren't many because of performance - maybe they haven't used wasm because it was too slow. But I would appreciate seeing data on that - an application that tried wasm and gave up after seeing the overhead, at the least. But I would also expect to see apps that use wasm even despite some DOM overhead, because of the speedup on non-DOM code - and I'd like to see data on how much DOM overhead they are currently suffering.
I am asking because I'm familiar with a lot of apps ported to wasm, and they don't do this. That may just be because I am seeing one particular slice of the ecosystem! So I am very curious to learn about other parts.