Consider nearly any professional sports team and the relative effort that athletes put in. There's very little disagreeing on objectives our outcomes (score/prevent points, win games) and incentives are directly tied to this (win more games, get more money). And yet when you listen to what some of the highest-performing athletes say, they'll readily admit they don't go 100% effort 100% of the time. In fact, that's of…
Bingo! Sport's teams avoid burning out the talent, because they are hard to replace. Corporates are ambivalent at best, with most accepting some churn for higher profitability. They may even pay for mental health benefits to ameliorate the effects, but remain happy with a "high performance" burnout culture where people cycle out after 18-24 months.