To be sure - there's always some.
But they typically get the shit scared out of them the first time and are uber-careful not to do it again. It's not the first time (accident's happen) but the second (bravado? careless? something else?)
And then, of course, in a business environment, most systems should be locked down so that, without SysAdmin / DomainAdmin rights, fucking up needs a determined, deliberate act (for the first time) and the conequences job-wise are usually made abundantly clear ... do it again and you're fired!
So - short answer - not so much!