This is the best pitch in my opinion. The only thing you can do is show them the door:

"You spent more than 10,000 hours working to make money, dont you think it will be worth to spend at least 10 hours on understanding money and how to preserve it?"

Then recommend Lyn Alden's Broken Money. Don't need to mention Bitcoin,  for them it's the same as the shitcoin casino. But if they start to research about money, the path will always end in Bitcoin.