It doesn't really matter if you make piracy more difficult if you don't make it impossible. Only one person has to figure out how to rip it, then everyone else can watch it
It probably depends a lot on the game. I can't watch it right now, but a lot of more casual games would be fine, but a game like Rocket League quickly becomes unplayable with even just the delay of a TV
They don't appear to even distribute isos, just a script to create them. Said script is less than 500 lines long, so it's not bad to audit it