Because whether it works or not is independent of whether it sets your teeth on edge.

I am a person. I belong to the same reference class as those who this sort of thing would be expected to work on.

I do not find this style of politeness to "work" for me.

It is, I grant, a weak reason to dismiss the claims, but it is a reason, and conjoined with other, similar replies under this post, it adds up to a more compelling reason.