Yes - they should know better. They are technical and very intelligent people.

"Why not?"

"It's risky, it uses a lot of energy, and I don't need it"

I'm like, just so fed up with this bullshit, you know. Like it's not worth fighting the good fight with these people.

I think it'll be a HFSP from here-on-out, no mention unless asked. Very hard because I actually mean well by them and would wish they could save their money the right way.