That's quite funny, but the new recruits at my work place are super smart and full of piss and vinegar. Much more motivated than some of the older workers. The problem is that they will work lots of unpaid overtime, and they have no idea about work boundaries and being exploited by employers.
Depending on the education/age of new recruits, you might not have seen much of the, younger, lower scored cohort, because the sharp performance drop only really started after 2018 (so the oldest affected people are around 22).
Sounds like they're trading excess energy for accelerated development. Where do I sign up?