The idea is that the browser is going to ask some lower-level DRM system to decode everything, only displaying it to the user. In theory this is supposed to go

The idea is that the browser is going to ask some lower-level DRM system to decode everything, only displaying it to the user. In theory this is supposed to go all the way down to the TPM, so that you cannot subvert it with a debugger or rootkit. In practice, there will probably be bugs that lead to video streams being captured anyway, and the whole thing will only serve to further divide people and make free software harder to use.