Yes, but using a standard external storage format is not why. Xbox uses a completely bespoke proprietary card that only approved vendors can use. This is just more expensive, which is basically how technology works now.

If they’re blocking “green new deal” grants are they also blocking oil/gas subsidies or dairy buying programs?

Your link for Myne is a fork that hasn’t been updated in a long time. I haven’t used it but you might want to check you were using the right version

You would most lilely be looking at a Kodi setup.

Look up LibreElec, super simple all in one image, kodi has a ton of plugins for everything you’d need. You’ll probably need to add some extra repos to get everything you want, but it’s all pretty easy to figure out with searches