Disney won’t turn her away. However, if she wears a Trump/MAGA shirt she should be prepared for looks and comments, both positive and negative. Frankly, I feel divisive political shirts have no place in WDW where people are trying to enjoy a vacation away from politics. Political T-shirt’s bring the real world into the fantasy world of WDW. And, given the current political climate, a Trump tshirt is a way to antagonize a large group of Americans and WDW guests. I’m sure that is part of the thrill, which makes it a political agenda.
If the inauguration is so important to her, why not watch it in the privacy of her hotel room? It seems silly to me to “celebrate” something you wont dedicate the time to