Probably

There are a lot of grades of stainless, but they all can rust. What you’re doing with your kettles is unlikely to cause rust, because you are actively cleaning them daily. Letting a contaminant sit on them and periodically get wet without being cleaned our dried is a worst case scenario, and also what constantly happens to cars.

https://www.unifiedalloys.com/blog/stainless-grades-families

Not unless you entered your recovery code to unlock it on the old computer with the external tpm.