but if say you leave an inkjjet print for some time in a humid atmospher ornear a kitchen or in a bar they fade,and/or run. That's a fact.
all very true but they can read it for a long time, which may not be true of the disk contents. The burn process hits the layers with a high temperature for a very short time. The sun hits it with an elevated temperature for a long time. Heat work is "time X temp".
Even in a dark cabinet there is little guarantee that the contents won't corrupt after (say) 5 years. Even if you pay half the price of a cup of coffee for "long life" disks you may find the odd one go in 10 years, though I hope not.
The essence is you can't control how others use the disks. So it is wise make sure they aren't put in the situation of attempting to use them when the label is peeling and risk gumming up a player. If it is a slot player in a car - that is pretty serious.
If the ink fades it is obvious it is fading and they can write on the label. But not if it is stuck in a player!