AITA for uninviting my oldest daughter to Christmas over Santa?

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The original was posted on /r/amitheasshole by /u/No_Poetry7930 on 2023-11-19 04:12:30+00:00.

I43f have children with very large age gaps. My oldest is 25, that I had with a high school ex. Then we separated, and I married my husband much later. My younger two are 9, and 7. My younger children believe in Santa, while my daughters son doesn’t. She raised him not with the Santa magic, which is perfectly okay I just rather not have it ruined for my children who do believe in Santa.

I was having Christmas at my house and I asked my daughter if she’d please talk to her son, because I wouldn’t like the magic ruined for them. I still put packages under the tree with “from Santa” on them, and leave out cookies and reindeer treats(bird seeds.) My daughter told us she wouldn’t make her son lie, and my children are old enough to understand if her son decides to say something.

I told her if she wouldn’t talk to her son, they could spend Christmas at their apartment. My daughter didn’t like that and said I was choosing my younger children’s happiness over hers, and that I was being completely unreasonable. My husband supports me but thinks I might be being a little high strung as our children are getting older. I just want to keep the Christmas magic alive. AITA