There are some criteria I think should be part of any equation. They are mix-n-match
Hours spent watching Disney product/movie
Hours spent on holiday, dedicated to Disney
Dollars spent on any of the above
Hours spent discussing Disney
Platinum Level Fan
150 - Hours spent watching Disney product/movie
600 - Hours spend on holiday, dedicated to Disney
30,000 - Dollars spent on any of the above
500 - Hours spent discussing Disney
Gold Level Fan
120 - Hours spent watching Disney product/movie
500 - Hours spend on holiday, dedicated to Disney
20,000 - Dollars spent on any of the above
400 - Hours spent discussing Disney
Silver Level Fan
90 - Hours spent watching Disney product/movie
400 - Hours spend on holiday, dedicated to Disney
10,000 - Dollars spent on any of the above
300 - Hours spent discussing Disney
Bronze
70 - Hours spent watching Disney product/movie
300 - Hours spend on holiday, dedicated to Disney
8,000 - Dollars spent on any of the above
200 - Hours spent discussing Disney
Rookie
50 - Hours spent watching Disney product/movie
0 - Hours spend on holiday, dedicated to Disney
1000 - Dollars spent on any of the above
100 - Hours spent discussing Disney