Continue reading here:
https://bitcoinist.com/prominent-us-politician-promoting-bitcoin-based-retirement-investments/
It is true that Bticoin's price is surpassing gold's price and inflation is impossible when it is used as a currency because of the fixed number of supply, but using it for retirement investment is quite risky. Bitcoin's price is still unstable and there is still a chance that it will drop if every nation declares it as illegal. Then when will happen to their retirement investment? Maybe we can just leave the decision to each individual if they are going to invest on bitcoin or just keep their fiat investments for retirement.