Yes? They might have other useful ideas or opinions that I may benefit from being exposed to. People are multidimensional.

If there is a conference being organized about some technology, I'd like to see speakers who have the most to contribute, on that merit only. I couldn't care less if they march around with armbands on in their spare time. I'm suggesting that more people learn to compartmentalize.

To me, if they can keep it to themselves, they can believe whatever they want. Up to and including that I shouldn't have been born, though I may draw a line at believing I should be killed, depending on how mentally stable I believe them to be.