And it will run rings around me in all the languages I don't know; every case in which my standard would be shockingly bad (I speak no APL whatsoever, for example) it would do better (in some cases, though, it would confidently produce an outcome that was actually worse than my null outcome).

The "below average" engineers are largely the juniors and the programming non-programmers.

The juniors can't be replaced because all senior engineer were once junior.

The non-programmers won't be replaced because they are not really programmers to begin with, so there is nothing to replace.

Translation for Mgrs - it supercharges offshore immensely. ftfy