I think it’s kind of naive to think a company that gets 80% of its funding from Google is going to go out of its way to protect you from the same company or that it won’t implement the same proposed DRM standard when it already implemented the older one.
But if firefox is full of tech to prevent privacy leaks? They incorporated a vpn, strict mode, containers, third party cookie block, dnt, etc.. what the fucking hell are you talking about?
One thing is funding, keeeping independence, another is controlling