Originally Posted by PeteHski

Probably true. I worked as an engineer in F1 motorsport and I used to really struggle to explain to "normal" people what my job actually was. I never did come up with a satisfactory answer. Trying to make the cars go quicker was about as far as it got.
Debating engineering issues with "normal" people is also often a pretty frustrating experience. People don't tend to argue with brain surgeons about brain surgery, but engineering seems to be fair game for anyone to have a punt, even if they struggled to get an O-level in maths and physics.