I think, both. It redistribute wealth to those person who had engaged themselves here starting with nothing, and got to gain everything, then it make wealthy richer, since they already had a background in invesment and handling money for long term matters.
Yes. Can bitcoin help rich people make more money. There are also many other ordinary people who are rich by investing and keeping bitcoin. Bitcoin is great as it offers greater opportunity and value for the people. Anyone want to make a profit thanks to the bitcoin investment, and accept a bit of risk.