If anyone tried to replicate the antics of Linus, it would get most sysadmins fired
Now that's out of the way...
Wifi is a half-duplex medium, so it's a bit hard to do other high-bandwidth things and stream 8K video
It sounds like a Synology NAS is what you need as it's really easy to set up and can handle a Plex/Home Netflix type content library
If anyone tried to replicate the antics of Linus, it would get most sysadmins fired
Now that's out of the way...
Wifi is a half-duplex medium, so it's a bit hard to do other high-bandwidth things and stream 8K video
It sounds like a Synology NAS is what you need as it's really easy to set up and can handle a Plex/Home Netflix type content library