[Veen]

It could be that you're engaged in "the grass is always greener" thinking. "Scam artists, MBA's, ego-tripping managers" and people who exhibit similarly off-putting behavior are found in every area of human endeavor. But so are smart and kind people if you find the right environment. That being said, some fields do seem to select for the more unpleasant personality types because they are optimizing for other qualities.