I've had multiple non-tech friends coming up to me and asking for my judgement regarding crypto currencies and whether they should invest in Bitcoin now. I ask

I've had multiple non-tech friends coming up to me and asking for my judgement regarding crypto currencies and whether they should invest in Bitcoin now. I asked them whether they invest in managed funds, stocks, foreign currencies and whether they go to the casino. If they answer with four times "no", then I tell them to hold back on the pure greed/fomo/speculation/hype.