I've been trying to get my dad to buy bitcoins since the price was $2. He just called me tonight and said he wants to buy some. Not a good sign.
Just make sure to teach him how the wallet works and have patience with him; last thing you want is for him to lose the coins.
That's one reason bitcoin doesn't function well as a transactional unit even if it didn't completely centralize. If some old coot dies with a bunch of gold or silver, someone nearly always recovers it. If some boomercuck is listening to Jimmy Buffet and overdoses on margaritas, the bitcoins are going to go missing a huge amount of the time. Instead of inflationary, equilibrium, or deflationary, bitcoin is more like hyper-deflationary, which sounds good for pump and dumpers, but doesn't seem to be that good for mainstream adoption in a grocery store or something.