Ok we cleared up the last that you think they are wrong, not that I was wrong.

But you are still basically ignoring this:

It's [the meme of] two people looking at the same thing and seeing different things. You see the term harm reduction and see it as good. They see the term harm reduction and see it as bad because [see my explanation above].

If you use the term harm reduction, they will never see what you want them to see. Never. Because it's this scenario:

Except in this case you're both using the same word to mean different things. Call them wrong, and they'll call you wrong, and you'll talk past each other forever.

Orrrrrrr call it incrementalism.