Another thing to consider is that the fundamental goal of most software is to automate tasks that are done by humans. Having this development take place inside

Another thing to consider is that the fundamental goal of most software is to automate tasks that are done by humans. Having this development take place inside the organization already doing those tasks is going to be met with hostility, and will likely cause projects to settle into non-optimal solutions that typically look identical to the clunky workflows they are replacing, but with an electronic medium of exchange rather than a paper one.