It's more that High level Mundanes would
squish High level Arcanes, Divines, Primals, Psionics whatever if they are not explicitly stated as being also a martial.
As well making skill challenges High level Mundanes would find challenging would be
Impossible for nonMundanes or Mundanes under other paths.
That's bad gameplay for a team game.
Lady Shiva of the DC universe terrifies human, metahumanz and aliens alike. And she's only a regular u augmented human lady.u
But if Lady Shiva attacks you with a sword, you one of 4 things
- Are one of the maybe 10 people who can block her attack
- Are immune to sword attacks
- Are uncatchable or untargettable
- ARE DEAD
That's bad gameplay for what D&D. High level Mundanes in media are "Dodge or Die", "DC 20 skill check or die", or "Make DC 30 skill check or Suck" over and over and over.
That's before you needing to make rules and ruling for all the untold actions they have via training.