Important point: DVD media is far from perfect has a very limited shelf life. Even the disks that promise 20 years. They guarantee the disks but not what is on them.
Makes you realize how much we depend on the technology. Ironically, it is the old family black and white picture stored away under the bed that will last centuries if it is taken care of. Best of all it is very low technology — it doesn't require a complicated piece of hardware to view it. Just the good ol’ human eye.
In a long gone professional job that really doesn’t exist any more, I used to work with 2 inch Quad tapes. I was one of three or four that could set one up and get it to play.
Eventually it wound up being me. Outside places would find old tapes and bring them to see and copy.
I had very few people ever get upset if a tape failed or disintegrated on playback. They signed a form anyway.
Here is what I do with 4K stuff off the Lumix. I have yet to sell a 4K resolution clip though. Some months I make a little, often times it takes months to make a payout. I do it for some reason still