I'd say it's even simpler than that - new people quickly adjust to their workplace culture. Take any individual "halfass United Airline" baggage handler and drop them at Kansai, and I'd expect that soon after, they'd be "performing to the same high standard" - or they'll get managed out.
But then, there's the other thing - take a large team, or worse, take the managers from a half-ass shop and drop them at Kansai, and it's quite likely that in a year, Kansai will be no better than United.