of course everyone in sales want to profit, no one wants to lose. rather than being selfish but it is a reality, and everyone wants it.
That has always been the mentality of every individual. I am sure if bitcoin has been stable and does not have much growth as it is now, then a lot would not have even been here and those who only see the main usefulness of bitcoin as a currency that can help them get freedom from the government financial shackles will end up being in this space but we cannot deny that this has also helped with a lot of growth for bitcoin, so one way or the other it still helped for development as people still got greedy.