Plenty actually, like former slaves from plantations which sold products to Nestle.

...it's part of the reason why Nestle is currently lobbying the EU to not dilute the supply chain act, those kinds of cases are a PITA for them, and the documentation they need to do for the supply chain act is exactly what they need to nib cases in the bud, "Here's the inspections we did, here are transcripts of anonymous interviews with random workers at the plantation", "If something slipped between the cracks we deeply regret that but we did do our due diligence, plaintiff's beef is with their ex boss, not with us".

It is absolutely more expensive to pay an army of lawyers to defend yourself than it is to pay workers proper local wages and document that. Not to mention that people who run slave plantations don't share their extra profit with Nestle.

The other reason is that they don't want smaller companies to have a competitive advantage: Smaller companies are not subject to those kinds of lawsuits, and also the ones complaining about the supply chain act. Nestle is also not at all keen on a consumer boycott from Africa.