Humans have been doing this forever, just working hard enough to not be fired. If anything it's idealistic youth who tend to buck that trend and subscribe to hustle culture en masse. From the 1999 movie Office Space:
> Peter Gibbons: The thing is, Bob, it's not that I'm lazy, it's that I just don't care.
> Bob Porter: Don't... don't care?
> Peter Gibbons: It's a problem of motivation, all right? Now if I work my ass off and Initech ships a few extra units, I don't see another dime; so where's the motivation?
> Peter Gibbons: The thing is, Bob, it's not that I'm lazy, it's that I just don't care.
> Bob Porter: Don't... don't care?
> Peter Gibbons: It's a problem of motivation, all right? Now if I work my ass off and Initech ships a few extra units, I don't see another dime; so where's the motivation?