Why is there such a disconnect between the tech elite and the generally well-intentioned and helpful people of this site? What happens between fighting to make

Why is there such a disconnect between the tech elite and the generally well-intentioned and helpful people of this site? What happens between fighting to make your way in the tech world and becoming a cynical fuck-the-world jerk like Dorsey, Thiel, or Zuck? Is it really that hard to benefit humanity and do the right thing?