Those who have believed in Bitcoin and are holding it for the long term include El Salvador, Microstrategy companies and many other countries who are ready to grab the best of Bitcoin.
And they have been holding it for a long time, but there are some strategies for everyone to hold Bitcoin, among which the DCA method plays a role. In this DCA method, from poor to rich and companies follow the DCA method, it is best and reasonable to do it weekly.
You are right about Bitcoin long term holders and smart way to invest using DCA. Countries like El Salvador and companies like MicroStrategy are buying Bitcoin because they believe it is valuable asset for future. DCA method is great for anyone investing in Bitcoin that can change value quickly. It means you invest set amount regularly like every week. This helps you get better average price over time so you worry less about sudden price changes. It is much calmer way to buy Bitcoin than trying to guess when to buy and anyone can use it from individuals to big companies.