[ska]

> Hammerstein thinks some use can be made of these folks

In a military context it's plausible "don't hire" isn't an option.

[DoughnutHole]

Well he seems to advocate getting rid of the stupid and industrious.

The stupid and lazy can be put to work and will probably get something harmless done, they just can’t be trusted with anything challenging.

The stupid and industrious are an active danger wherever you put them in the hierarchy.