When Disney et al gets their copyrights extended by voice vote in Congress, why shouldn’t others want in on the action. The question is not whether she was paid “enough” for the ads, the question is what is she entitled to for the ongoing use of her image. (The “new” Jemima, if I recall, came in the ‘80s. Yeah, $2 bil is posturing, but I am not going to say that Pillsbury is right, as these companies are often bad actors.
My guess is that most of the posters on this thread would be singing a different tune if their grandmother’s likeness were used by a corporation to make billions of dollars.