Yeah, but there was a lot in the middle that more directly inspired the creators and all sorts of stuff around at the time.

Warhammer was much more tied to RPGs with it's first editio and there was all sortsd of overlaps from GW and D&D/Chainmail

Here is an interview with one of the creators that discusses the origins:

https://juegosydados.com/2016/08/26/interview-with-rick-prie...

https://en.wikipedia.org/wiki/Chainmail_(game)