I've read a lot of the various complaining about the durability of the base plastics of say Innova and Discraft. The first time I read one of those I laughed because back in my day all we had was base plastic and we were happy. I still remember the first monster chunk I took of out my very first DX Roc on a sign.
My first Roc was impaled on a thorn all the way through, somewhere around 1992 or so. I later lost it over the fence at Wilson Park in Mishawaka when they used to have a hole running right beside the boundary fence you couldn't really climb leading up to that triangle shelter thingie on top of the toboggan hill.
I also remember not hearing the term "DX" until way later, like the late '90s, because our base plastic was all we had so there was no need to differentiate it from others. It just was. And if you hit a third tree you had a different disc. (Is it just me or is today's DX plastic way slicker and less grippy than our discs were 25 years ago?)