And even with CD's there are issues. Writable CD/DVDs have a written shelf life of about 25 years before the layers start to deteriorate and the best ones have

And even with CD's there are issues. Writable CD/DVDs have a written shelf life of about 25 years before the layers start to deteriorate and the best ones have a max lifespan guarantee of 100 years. They do rot, just slowly. With a microscope you can of course stretch that a bit but they won't last forever.