And how much of each is there? Some of the most important software infrastructures were built years ago at the dawn of computing (telephone, banking, etc.) when

And how much of each is there? Some of the most important software infrastructures were built years ago at the dawn of computing (telephone, banking, etc.) when experts and artisans ruled the field. Now anybody who does a few weeks of bootcamp or watches some online videos calls themselves an engineer and pushes out crap code to the masses.