Ainz has forgiven him, but Demiurge hasn’t. That’s probably why he was interfering with Sebas on the matter of what to do with Tsuare.
“That has its merits as well. What do you think, Sebas?”
“...Tsuare cooks mostly home-made meals. To say if it’s fitting for Nazarick… I cannot offer a solid answer.”
“Home-made meals. I doubt boiled potato is fitting for Nazarick.”