Earlier quoted context omitted.
PKD has a much stronger claim on that than Harlan Ellison ever did. A writer of great talent who inexplicably chose to drown it in a barrel of pomposity.
according to this, Cameron said he ripped off Ellison https://www.cbr.com/terminator-harlan-ellison-credit/ the article describes it as the opening time travel part, though it's not clear that's what Cameron said.
See below for another example of this. I really admired him as a writer when I first encountered on him but the more I got to know him the less I enjoyed it :-/
https://en.wikipedia.org/wiki/In_Time
In contrast, PKD stories like Second Variety feel astonishingly like the post-apocalyptic environment ruled by Skynet and the plan of hunting down the remaining humans with terminators. I would be very surprised if Cameron or someone on the creative team weren't inspired by it.