Simply because the WHALES take the profits whenever there's a 5 to 10 percent growth. The bottom line is Swing trading and Day trading is real and the HODL method is just what it is...
Who told you this? Why do you believe it, such pessimistic actions are a stupid thing. Here, the community always thinks bitcoin optimistic someday can be there. Well, to be honest I also do not know when bitcoin will reach $ 20k, I just need to keep it and do not need to panic when the price of an accident happen.