yeah, just change mech to "space marine" or "pathfinder" or "ork" and change the scale.
Maybe one day if the brainworms let me I'll write the 40k polycule management minis game that has been in my head for two years. It would be a game using 40k minis and probably the killteam rules but with no combat.
It would have pre made archetypes/character like this, and relationship mechanics.