They’ve used much stronger language in regards to a number of items in regards to Classic. If we were talking about Retail, I’d agree with you.
My sense is that at the time the response was posted, the inclination of the Dev Team was to not have it carry over, but that they were holding off on a final determination for whatever reason. Hence “It probably won’t happen, but there is a very small chance they could change their mind.”
But then hope springs eternal and I’d kind-of like to have my CE Pets there.