E.g. Netflix doesn't let you to stream 4k video in browser afaik. So no, it's not a good option.
Desktop OS also don't support Dolby Vision or fancy spatial audio formats.
Trifecta: Piracy + Local media server + Streaming device, either Apple TV/Android TV (without internet access).
No loss of quality, devices that could spy on you, don't, and those that would spy on you, can't. The only trade-off is some convenience.
alt Hacker News
Desktop OS also don't support Dolby Vision or fancy spatial audio formats.
Trifecta: Piracy + Local media server + Streaming device, either Apple TV/Android TV (without internet access).
No loss of quality, devices that could spy on you, don't, and those that would spy on you, can't. The only trade-off is some convenience.