There’s this whole scene in Dune: Prophecy about how we as humans have to expend extra effort to be able to lie, how it doesn’t come naturally and the body resists in different ways.

I think that’s what the line is saying…

Umm, you just insulted the intelligence of the person you replied to.

‘/s’ would not have. The whole idea of hating on using ‘/s’ is stupid and useless.