Those reasons are probably right for most of the traders in the current crypto market.
thats why many books advice to trade in smaller steps. dont go with a gut feeling, set a goal and stick to it.
This is where many fail and the experts take their profits. Sticking to our strategy is an essential part of trading which many traders forget.
I have myself made some losses due to not to sticking to the target prices and have learned this the hard way.