Why are billionaires flocking to Wyoming?

Andes State Bank 3 Bank of Elgin 2 Bank of Richmondville 7 Bank of the Rockies 5 Buckholts State Bank 2 Community First Bank, National Association 5 First Missouri State Bank 7 First National Bank in Tremont 4 First National Bank of Steeleville 4 First State Bank 3 Johnson City Bank 6 Marine Bank & Trust 3 Marion State Bank 1 Mi Bank 19 Pavillion Bank 1 PEOPLES Bank OF CMRC 7 RIVER VALLEY Community Bank 4 SAFRA National Association National Bank OF NY 18 SERVISFIRST Bank 13 Sherwood Community Bank 2