Bitcoin was affected by this because a large amount of Bitcoin accumulated in the hands of a central company or companies. Whenever Bitcoin accumulates in the hands of a small group of people, we become closer and closer to centralization.
So what's the plan? Wealth redistribution?
Let's have a quota on how many Bitcoin can one have?
Should we also have some rules how many coins you can move at one time and how many you're allowed to sale?
Bitcoin is the perfect example of a capitalistic free market economy, it has always been like that and it will always be, the ones with money will have more, the ones with money will decide what to do with theirs.
As for El Salvador, it did not buy Bitcoin for speculation as companies do, but it bought it within the framework of the official adoption of Bitcoin as the country’s official currency, and I think this is something else different.
It's still one entity controlling a sum of Bitcoin, if you think they have an ulterior motive or it that's something that can relate to psychology, but in terms of code and protocol, there is no difference in centralization between Blackrock, Salvador, Satoshi or anyone else.
Their coins, their keys, their decisions, against you can't have freedom by restricting the freedom of others.