Containers seem to only be "Available on Workers Paid plan", whereas Vercel supports it on the hobby account as well.

Kind of relevant on those cheapskate projects that only start paying licenses after the SOW is signed, but already expect some kind of prototyping in place.

WebAssembly is a solution looking for a problem outside the browser, with worse development experience.

If I want bytecode based runtimes, I already have them with first class development experience, and decades of deployment experience, between Erlang, JVM and CLR.