You can load your existing plex library into Jellyfin
Closest I could find to a non-reddit link
https://forum.jellyfin.org/t-solved-first-time-setup-slow-scanning-screen-load-times
Don’t do drugs. Ever.
If you are being pressured by your peers, change them. There are other peers out there who will value your decision.
“breaking of ice chunks from the edge of a glacier.”