he isn't smart for successfully delivering what his boss wants receiving his desired promotion and fortune? you might want to reassess your definitions.

being an amoral bastard is orthogonal to your intelligence…

Exactly. See for example https://en.m.wikipedia.org/wiki/Thomas_Midgley_Jr.

Lawful evil people can often be *very* smart.

Thinking intelligence and morality are aligned has terrifying conclusions that you may do well to investigate.