A person's career choice has a way of influencing his/her personal behavior, paradigm, thought process and biases. One can call it occupation hazard but it runs far deeper than that. People can literally become something else within months of a career change, this lends credence to why some job roles have a certain stereotype around them.

An example of the above is software engineering, if you want to piss off a software engineer, tell him/her that you quit something (positively beneficial to you) because it's hard. You'll get a very strong reaction because due to our line of work, everything is relatively difficult. When you spend enough time in this field you will come to believe that it is wrong to quit or avoid responsibility because of its level of difficulty. The way software engineers see it is that if it's hard you just have to try harder.

This doesn't mean software engineers are bad people. It just means software engineers have been made to understand (through their everyday experience) that tenacity is the only way to get things done, the novelty in difficulty wears off when you have to surmount it everyday.