This is called "saving face"[0] and it's very common in some Asian cultures. Western societies prefer directness, and eastern ones prefer harmony.

0: https://en.wikipedia.org/wiki/Face_(sociological_concept)

I wish every indian developer to spend 6 months working with dutch people.

That would be interesting.

It's quite strange though when you consider the fastest way to get egg on your face is to do something badly because you didn't understand and just made it up instead of looking it up