Easy, by adopting the timesharing model, they will run server side with browser only showing the GUI.

CAD is already taken for.

https://www.infoq.com/presentations/autocad-webassembly/

> if WASM had been fully fleshed out when Docker took off

It was already there, as Java and .NET application servers, which Kubernetes + WASM containers are now re-inventing as something "revolutionary", now with YAML spaghetti instead of XML config files.