Yep that was very similar to my reply, but normies repeat that quantum fud bs like a mantra. And added " even if the bitcoin protocol evolves to quantum resistant, then all previous energy would have been waste"
Facepalm facepalm
But there's hope, he ain't stupid, in fact he's a PhD engineer, Linux sys admin, he likes to solve equation problems in his free time.
How can you like maths and dislike Bitcoin? Too biased?