It’d be a lot easier to work with more conventional hardware.
First of all you downloaded the wrong version, your device is not amd64 but arm64. OSMC for Vero provides an img, so you can install an OS like you would on a raspberry pi. Though you’d probably have to make your own image since afaik it’s not really an rpi?
You can probably run hass in docker or install hass core instead.
Marshall has copyright on his lyrics, you just said yourself patents and copyright are different things.
Sufficiently different rip-offs that don’t confuse consumers as being the original should be legal. They already are as far as copyright is concerned.
Many design patents should never have been registered, and should lose when defended in court. Design trademarks are a third similar issue.