Why do some discontinued Rolex models keep trading above retail years later?...

https://web-wiki.win/index.php/Are_2024_and_2025_Discontinued_Rolex_Models_Already_Trading_Above_Retail%3F

Why do some discontinued Rolex models keep trading above retail years later? Take the Kermit 16610LV and the Hulk 116610LV—both have built steady demand despite being out of production