Mozilla is bathing itself in it's image of standing for a free and open world. The truth is that it's business in "The Web" is creating the groundwork for a closed and non-free world. This hypocrisy cries out deafening.
Like I said we can already pretty much transpile our code to practically speaking, an unreadable state.
Companies can already choose to make their code closed source and transpile it. If there goal is to make it more closed they can do that now.
WASM doesn't change that. People can still make their code open source, they can still write in plain javascript. Its really no different. Instead we are giving people options and the ability to have more performant apps in the ones that require it.
(Furthermore, many apps that would use WASM probably have a significant server-side part as well that is not necessarily open source.)