Why would you leave it lol ,good earnings and enought to all your family and you live well and as you saying bitcoin allow you to earn around 100 dollars a month ,as most of us we using bitcoins as an extra left it to live only from it is currently a risk.
Some people are crazy, I don't even know if there are enough jobs available in the bitcoin economy to absorve everyone that wants to work full-time in bitcoin.
many people who stopped looking for work because of the ease of bitcoin, but if they work while looking for bitcoin they might get rich quick