Ever heard of it?
For a more audio/visual explanation, please have a look here: South park Underpant gnomes
Or, enjoy the full episode here: South Park – Gnomes (s02e17)
In any case. When you come to a new place. A new team. A new whatever, people are probably going to be doing things in a certain way. Sometimes there are really good reasons for this but far too often, people just haven’t thought about it.
So, the morals of the story would be something along the lines of:
The things we are doing, are they really bringing us closer to our goal? Or are we just doing them because that’s what we have always done?