>> The result is less code. Maybe, but that code tends to be extremely bad quality, because it is always written by "consultants" who know just enough programm

>> The result is less code. Maybe, but that code tends to be extremely bad quality, because it is always written by "consultants" who know just enough programming to be dangerous and do the bare minimum to get the integration to work, without any concern for or the ability to follow software engineering best practices. And that introduces its own costs.