Many people enter the crypto world for the purpose of quick profit, if they can't get any profit within few days or months they left crypto currency, which is not good.
if people want to earn a big profit then they have be patient about the rewards or result of crypto market.
Maybe the people that easily moved out from using crypto are afraid to loose money because they don't know much about crypto, they only want easy money and when they cannot get it easy here, then they moved away.