I don't think it raises the bar at all. You could already do everything you can do in wasm today with Emscripten, and any harebrained attempts at DRM schemes sh

I don't think it raises the bar at all. You could already do everything you can do in wasm today with Emscripten, and any harebrained attempts at DRM schemes shipped over the wire would almost certainly be using Emscripten. Wasm is easier to read than Emscripten'd code because of types.