They could do a 5 year comparison of BTC vs their crypto at https://au.marketscreener.com/quote/cryptocurrency/BITCOIN-BTC-USD-45553945/graphics-comparison/ (example image of aave and doge vs BTC attached).

If they want to trade this is for them too... Check out this video from this search, bitcoin vs crypto chart https://g.co/kgs/Vq24Hvf

Here's a good article too https://river.com/learn/crypto-vs-bitcoin/ that may help you when speaking with them.

Lastly, ask if they'd consider adding a little bitcoin to their collection to support the global cause and that will therefore protect their overall crypto ecosystem as well, as seen in this video https://youtu.be/YfnialX0iNQ 🧡🧡🧡

No use making them wrong for their choices, they won't hear it. At least they are playing in the space and as they educate themselves (or get rugged) they'll learn.

Sadly though, some who play & lose don't return and make up their mind all 'crypto' is bad. 🫤🥹