Oh they’re worried, there’s basically nothing they can do to keep the business as is. They are trying to pivot, though, e.g. https://m.nutritioninsight.com/news/shareholders-challenge-n...

> 14 Mar 2024 --- Today, a coalition of Nestlé shareholders, with US$1.68 trillion in assets, has filed a resolution challenging the company to improve the healthfulness of its products.

Translation: shareholders are terrified of the impending collapse of the status quo business model and want the company to pivot to things GLP-1 patients want to eat.