This should be the case because anyone can own Bitcoin, depending on how they choose to buy it. Buying small or large amounts isn't a problem as long as people consistently buy it over time, so their assets can slowly grow. The problem lies in mindset, as poor people often lack the strong desire to make changes in life because they're focused on how to earn money today to eat. If this mindset can be changed, anyone can achieve financial freedom through investing in Bitcoin.
Some things need to be considered when it comes to investment comparison between the poor and the rich. That mindset would definitely be hard for the poor people to overcome since it's evident they struggle for money to feed. Rich people can easily make that decision because even if it later backfire, they probably have a back up and would be less affected by the consequences. The phrase "we use money to make more money" is very underrated but it's actually a reality which is the reason the rich people are getting more richer while the poor are becoming more poorer.