Yeah, that's why 996 kills people slowly. 996 is taking away your own time for the company, and most likely in a not so productive way.
So you don't get the refresh, the first 1-2 companies which employs you get the most benefit because you are not drained yet, but companies later in the line got a used battery almost completely drained -- and that's why China also has the 35 yrs old rule.