4 ms·

And management consulting. But probably not plumbing, where the work product is very concrete and easy to judge.

• pclmulqdq 2y ago
  Plenty of plumbers cut corners, too. Their work gets judged by non-experts, so the bad ones will try to pass off a bad job.
  • smolder 2y ago
    Perhaps, but the "does it leak?" bar is at least easy to qualify.