“I’m not sure we’re on the same page with that concept.”
IMO only means “I disagree”, and implies much more a difference of values than of cognitive capacity.
Have you tried looking at it from a different perspective?
Understandable. Have a nice day
„Interesting idea. Let’s put it in the backlog for now and come back to it nev—I mean later.“
i hhhhhhaaaaaate corporate speak. it’s the biggest reason i fuck up at interviews. just say what you mean.
Too mild, i need something stronger.
sound like you have implicated a whole lot of mental gymnastics for that.
“That’s not a reasonable [opinion/position/take/xyz] and is going to [cost us money/make us look bad/blow up in our face/etc].”
That’s not a bad idea. However, I would propose a few small improvements to - completely different plan follows