This is why "not comparing bitcoin to stock market" is a mistake. Look at all these huge companies, look at blackrock, look at jp morgan, or basically look at any possible way of making money in the stock market, look at the market average and all that too. You will see that, holding bitcoin long term has always beaten that, easily. That should definitely be something to care about, because it would be something that will take a while but could be something that will benefit everyone as well.
Although you are of course absolutely right about the past, I honestly wouldn't rely on this continuing to be the case in the future. Bitcoin's market penetration is now very different to what it was in 2012, for example, and you can see this first and foremost in the market cap.
While it is certainly possible that Bitcoin will now achieve another x10, there is no guarantee that BTC will continue to outperform other major players on the stock market, especially when compared with “smaller” positions such as Nvidia.
I do agree that it may not be the case in the future, but for the time being that's right, and I would like to keep hold of it as long as I can. I agree that the marketcap of bitcoin grew so much that, we may eventually reach to a point where if you hold it for 20 more years, yearly return may not be %30+ or something or beat what these companies can offer you.
This is why I think it's important to make sure that we deal with something that will take a while. I think the best way to go about the current situation would be making sure that we deal with something that will not be too high. I still think that keeping bitcoin is good though, it is not like it would be bad idea, if we hold it for another 20 years, I am sure that it will be either beating the market, or at least it would be close.
Plus the benefit of decentralized coin is still there, it can't be ruined by anyone, so if you invest into bitcoin, you know that nobody will touch it, it's yours. That is why we do not know what blackrock or other companies may do, maybe they will bankrupt, we have seen in 2009 all those "too big to fail" companies crash, so bitcoin could be better, we can just hold it even on bear times and make profit later on.