I started an RMA for my 1TB OLED Limited Edition on Sunday for a stuck/dead pixel but didn’t include a picture.
Valve got back to me and asked for one, and now I’m waiting for them to get back to me again.
Save yourself some time, include a picture of the problem when submitting an RMA.
It’s really proof, but more like detailed information so they know exactly what is the problem.
I know, It’s a dead pixel, they can quite easily have a look for themselves and find it, It ain’t much time, but consider that time for hundreds of SD, that can take quite some time.