The "index" of why this trope remains so popular boils down to a few key shifts in our culture:
The landscape of entertainment and cinema is undergoing a profound transformation as mature women—once sidelined by an industry obsessed with youth—are now commanding the spotlight as leads, producers, and power players. The New Golden Age of the "Silver Screen" index of milf best
The Invisible Majority: The Evolution of Mature Women in Cinema The "index" of why this trope remains so