People worry too much about fragile egos. You don't wnat to embarrass a client, but there is nothing embarrassing about not knowing about some internal quirck of a piece of software that has an undocumented solution from 20 years ago...
Completely correct, but it is embarrassing when you walk in, firmly push one plug and thus fix the problem. Of course, that is an example of embarrassment the client deserves, just like removing an object frrom the keyboard, but there others where it pays to avoid embarrassing the client.
Biting the hand that feeds IT
