[kaba0]

They have to be implemented as interpreters only though.

> Most languages have a way to run on a wasm engine

But it is basically useless for managed languages that as of yet has to bring their runtimes as well.

[int_19h]

It's not useless, it's just a lower layer in the stack. Decoupling high-level managed runtimes from underlying low-level bytecode makes a lot of sense. Delivery is another question, and we'll probably solve that by caching common runtimes.