Food giant Heinz acquired WeightWatchers from Nidetch and her business partners in 1978.

This explains a lot

Naomi Nemtzow, 75, a Brooklyn-based artist who was a WeightWatchers member for decades,

The problem is they aren’t fixing people’s core issue, the business model required people to be lifetime members. Having people eat carbs, buy meals, and do yo-yoing to stay a forever member… That’s a hell of a business model