A: Are you saying radium *doesn't* glow? Just look at this watch!
B: No, I understand that it glows, I get that the glowing is nice. What I'm saying is that it *also* has harms that we should understand before…
A: Look at it! What a beautiful tranquil blue-green radiance. And no batteries! How can you say it's useless?
B: Yes. Very pretty. I'm not saying it doesn't *do* anything, I'm saying that maybe it's doing *multiple* things, and some of them are…
B: Well *I* think it looks nice.
@glyph but also radium doesn't glow, it's the zinc sulfide that it's mixed with in paint that does
(I know that's not actually relevant to the point you're making)