Humidity and UV are murder on a lot of things. Pressed optical media will generally las a lot longer than CD-R if for nothing else but the top layer over the reflective foil that’s missing from some cheap recordable disks. The error resiliency is a factor to thin of too. If you miss a few bits in a picture or audio recording it won’t do much, but in a executable program it could prevent it working at all.
There are a lot of variables, but media types typically have expected limits established.
https://www.arcserve.com/blog/data-storage-lifespans-how-long-will-media-really-last
Humidity and UV are murder on a lot of things. Pressed optical media will generally las a lot longer than CD-R if for nothing else but the top layer over the reflective foil that’s missing from some cheap recordable disks. The error resiliency is a factor to thin of too. If you miss a few bits in a picture or audio recording it won’t do much, but in a executable program it could prevent it working at all.