I think it's a bit more subtle than that. Professionals are able to create output that more precisely solve the problem at hand. That means that they will often

I think it's a bit more subtle than that. Professionals are able to create output that more precisely solve the problem at hand. That means that they will often create output that does less. In the context of Stuxnet, the professional identified that the problem at hand was to shutdown the Iranian nuclear enrichment facility. They ended up with a piece of code that executed that, but was not maximally obfuscated, because more obfuscation does not solve the problem at hand.