If engineers were commodities, hiring would be a much simpler process than it is now. But engineers are not commodities, thus we spend 2, 3, or 4 interview ses

If engineers were commodities, hiring would be a much simpler process than it is now. But engineers are not commodities, thus we spend 2, 3, or 4 interview sessions going over silly algorithmic puzzles, so companies can figure out if we're great, or if we suck. That's the opposite of a commodity.