It seems to me it's still not contradictory to GP: domain knowledge wasn't in the code, it was outside. The thing didn't work in all cases so you had to get the

It seems to me it's still not contradictory to GP: domain knowledge wasn't in the code, it was outside. The thing didn't work in all cases so you had to get the specs from something other than the code; rewriting according to this exterior source was the sensible thing to do