The truth be say if Bitcoin reach that price of $600,000, plenty people go sell while plenty other people will still be hoarding their assets. Even when Bitcoin price never reach that level, people wey dey for the Bitcoin market don already get high hopes say Bitcoin will not just reach that level but e go surely pass so you no expect people wey don already conclude in their mind to keep hodling higher price level to sell off their assets when e reach $600k.
For Bitcoin to manage reach this current level now from less than a dollar 15 years ago, e really.mean say e go pass that level wey you the OP dey talk in the next 8-10 years.