For every game that breaks compatibility due to anti-cheat there's 100s more new games that don't have it and probably run on Linux just fine. So on average, the compatibility always goes up.
There's usually not enough interesting things happening on the screen to maintain a child's attention, it's mostly just conversations. They might look at the screen occasionally but are unlikely to pay much attention.
I mean, just because it happens fast or in an unnoticeable way doesn't mean it doesn't happen. If somebody vaporized themselves instantly it's still suicide. Sure, people would probably accept the fact that their original is being killed for convenience, but the fact stays.
Because technically, it's a scanner + printer and not a mover. It's just that the original is deliberately destroyed every time (unless something goes wrong looks at Miles).
IIRC, it's even mentioned that people going through the transporter are cached. Like, they store snapshots, so you can compare the changes between older you and newer you. You can also store a person in buffer digitally, meaning you can copy and print as many as you want.
Why can't they just assign order ID number like every other normal food service business?