That applies to every type of investment, not only bitcoin. Warren Buffett, probably the best investor in history, built his wealth thanks to his huge patience, he never rushed into buying or selling stocks, he mainly holds stuff. The problem is that today many people like to sell some get rich scheme and other people actually fall for that, so there is this idea that you can become rich almost overnight and as soon as things require to wait, well, people don't want to wait.