You COULD take drastic measures:
1. Not host. Ever.
2. Have it catered, use paper goods for tableware.

We’ve done #2 btw. Loved it. But we found we didn’t need to go that far.

These extremes are more thought experiment. If you wouldn’t do either, the question you have to answer is “Why not?”

Since she clearly likes something about the day the way it is, it is up to here to choose to focus on that rather that stay locked on what she hates. You can’t MAKE her love the day.

You might get more mileage out of working to enhance the parts of Thanksgiving she loves, rather than trying to eliminate the parts she hates.