There are plenty of 3D movies still being released on Bluray. And 3D is still a thing in home-theatre projectors. The content is definitely there. And the tech has gotten better aswell. It just never caught on. Because people would rather have 8k on a 30 inch TV.
Why is this relevant to this sponsorship and the development of the browser? I wouldn't mind Kanye donating himself if that ensures that we get a great browser. Who cares where the money comes from?
Just quoting the recent changes in their ToS doesn't prove your previous claim that was completely unrelated to this.
Mozilla doesn't need to collect your data in order to server pages in Firefox. Firefox operates on the client. Data collection is not necessary in order to server the decentralized web. It has never been. Like when I curl a webpage through the Linux terminal I automatically sell my soul to Linus Torvalds?
5 usd a month is a lot...