Bad idea, we have seen what happens when a Kim has been promoted…

Compete with them will using their networks, sure.

Not on the go, but you can use your own DDNS/VPN & Jellyfin for that instead of Plex

Yes and no. A lot of sorting and optimizing processes can be done via scripts. For example, I had chatgpt generate one that finds audio streams in videos that are not in the language I need. Manual verification and then let another script remove the remaining lists streams that I don’t need.