Good luck with Fahrgastrechte! Enjoy your extra day in Amsterdam⚡ https://www.bahn.de/service/informationen-buchung/fahrgastrechte
They try hiding this stuff well on their website. Passangers have a lot more rights than shown on that page. For example: https://image.nostr.build/a63157353bb3c4ede70c696038f248ea13367ea487c607c9b872bdbf47752856.png