We don't exactly celebrate failure, but: 1) We have a culture that accepts "failures happen". People screw up, sometimes badly. 2) Imperative to this is a culture of ownership. You hide failures, your job is at risk. You own it, go public, get help, and all is well. Well, not exactly well, since there was a failure, but you get the picture. 3) Blameless post-mortems (hate that term, nobody died) 4) We do have a tongu…
I'd also add that high-performing teams require psychological safety (e.g. mistakes don't get punished), the research is pretty clear. So punishment is explicit blocking of high-performance.
Everyone makes mistakes, sure, and that should be accepted, but if they are caused by carelessness or incompetence, or if the same mistake keeps being repeated then there ought to be consequences.
A safe environment does not mean anything goes.