We did believe in bitcoin and its true potential so a few years ago, it's also the same situation as now that there are many that don't see the true potential growth of bitcoin.
So if you look back then and have the same feeling, you don't have to think about it if you want to invest although it is very important to DYOR at all times.
Yes, I remember when Bitcoin was around $400 to $500, there were no too many to adapt or invest on it since there were many rumors that Investing on it will lead to loss. But besides all these rumors and struggles to get into the market, Bitcoin reached its ever time ATH in April 2017 to $21k I remember. This ATH indeed turned every one look at what is Bitcoin. Then later, too many investors have come in to create their own crypto currencies with a project and many succeeded who really had a good project but many vanished.
Though adaption creates demands, Bitcoin's growth does not alone depend on adaption. To be frank, we have more investors from the countries which did not either accept or did not speak anything on acceptance. Bitcoin has created its own path to grow where everyone will follow it to invest and gain.