You can not judge them by their mistakes I think in due time they will surely learn about buying on Dips, because it is cheaper, and selling on highs to get profit, but there are these people that are new in the market who would just have their own indicator and I call it the heartbeat indicator were they will buy when the market is high, and they will ride on the hype when the coins are on the green they making wrong decision because the dips have come, and would repeat this process because they would feel the need and just riding the hype.
I don't judge them. Their portfolios do. I didn't sell in Jan 2018. That was my mistake lol