I live in Arizona. And I’d bet the snow birds add more money to the economy than they take. Lots of businesses sell them lots of things. They rent apartments or RV spaces, eat, etc.
I’d also be willing to bet a lot of local towns are glad to see their business.
Why should I subsidize their taxes if they are so rich?
There are lots of goods/services/responsibilities that actual residents of AZ buy/pay/perform that they never do. Such as insurance policies, auto purchases, and yes, jury duty.
I will say that they add revenue in one way, they get a lot of speeding tickets!