It is on by default in Windows… More likely people have routers with it disabled.
Pro doesn’t reduce ad amounts IME.
It’s all client side. It even mentions infected clients.
Video decoding/encoding should work fine, better than Nvidia as fewer things support nvdec (the vaapi wrapper is enough though).
I’d guess its a solution similar to DASH that dynamically streams different content.
What does a privacy conscious version even look like?
Some things simply aren’t legal anymore like buying crypto without identification.
I have written apps in those toolkits. I can’t say it’s easier than the web of course but it’s not that bad.
Thats not relevant because Cosmic isn’t either.