[Katsuki takes that nod/shrug to indicate Izuku doesn't know more. Tch, figures. Some place like this would either be boasting all about it's way of succeeding or keeping its damn mouth shut to guard the secrets.]

If they can pull out memories and play them in the air, is it really that surprising they can monitor whatever the fuck we're doing?

[It really feels like they're captives made to act on stage and are at least being compensated for it. The why is the big question, though that's not offering an answer any time soon.]

The city still needs people to work jobs, otherwise everyone would be in that glowing sphere all the time.