Disc rot is not a new phenomenon, but as ArsTechnica notes, properly-cared-for DVDs should be playable for up to 100 years, ...
Alternatively, several programs can burn an ISO to a DVD and make it bootable. One of the best ways to burn CDs and DVDs on Windows is with BurnAware, which offers a free version for home use.
Gen Z is embracing nostalgia as they're increasingly buying DVDs and making the outdated form of media popular again.