The only reason why people buy bitcoin, is to make money. I believe in the tech, its the future blah blah blah. Your here to make "sick" gains, most will not have the stomach for it. How many investors bought 100 btc for $100 and sold them at $20,000 each, practically none.
Say bitcoin reaches $1 million and you invested now at $3800. You honestly think you wont sell when it hits $50,000 or any other figure that will improve your life significantly. Nobody knows if, when or how it will happen.
Don't waste your life waiting for a win, you will end up going crazy. Invest yeah sure, check it once a week / month on progress and just let it be man. For all we know, it could be outlawed and crash to $0 tomorrow.
I partly agree with your point but the fact is in most cases the investors will want a one time win waiting for bitcoin to reach $50,000 and without that reaching they targeted amount they will never sell at any price lower then that and that is were the most frustration come from many are so obsessed with the price due to they views and expectations.