If these companies would just say, in their job descriptions, that that's the calibre of people they need to debug their glorified hotel booking website (or wha

If these companies would just say, in their job descriptions, that that's the calibre of people they need to debug their glorified hotel booking website (or whatever), then that would make things much simpler for everyone: "When we say we're looking for the next Norvig or Knuth for this role, we mean it -- and you'll be tested accordingly!"