At least they could make a in house playground in the process to see if their new version ever work. Maybe something like guest computer in public area. Or some

At least they could make a in house playground in the process to see if their new version ever work. Maybe something like guest computer in public area. Or some sort of vm to emulate end user system to see if they ever boots. And somehow we still get this. How the heck they didn't find out the new version prevent the computer from booting at all?