Thoughts about retail investors entering into the private equity/bitcoin investment associated with retirement accounts

I’m curious to people’s thoughts on this podcast. It discusses about the ramifications of the new executive order to opening up private equity and bitcoin to become part of a retirement fund investment. The overall tone from it is pessimistic and of caution regarding the potential diminishing returns and increased volatility of the future 401k accounts. I’m curious to people’s thoughts on this.

https://podcasts.apple.com/us/podcast/freakonomics-radio/id354668519?i=1000737707091