Kunit was allowed to copy, I'm friends with Nixill, he didn't care.
Map = Map
Digging = Digging
One may be more vague, but its still a valid concept.
Two maps however, can be very different, therefore your brown townogy was awful.
Which means they could possibly be the same.
A map is a broad thing that could encompass anything from a slate edit to GTA SA. But a Digging Mod using x4 cube bricks and mining ore out of them is about as specific as it gets.
You said it also.