Writing complex and convoluted code is a strategy used by some developers who bill by day or an hour, so then they have to spend extra time to "understand" or "

Writing complex and convoluted code is a strategy used by some developers who bill by day or an hour, so then they have to spend extra time to "understand" or "refactor". I've seen this so many times. One even got visibly angry when I politely pointed out his solution could be vastly simplified or even skipped as the client was considering different options.