1. You claim it isn't there by pointing out it's there? By claiming that the management is spread out so thinly that it can't be noticed? Uh huh. Yah. SO, by that logic, if you spread one manager over 12 'engagements' (departments) management is 'still there', but then would be cost effective. Yah. No failure gonna happen THERE.
2. "These outsource providers are very big and very specialized and have damned good training programs. Their people are often much better at much lower payscales because they are hired younger and trained better." And when they 'bounce to higher payscales' they take that training with them - ore does it magically get transferred to new people via telepathy? Or are there always people in training (less effective) or do people work for free while they are training?
The fact that the people get paid less does NOT translate to less 'cost' for the company. PRICE does not translate to less 'cost' for the company - though it IS an element. Riddle me this, batman - if the outsourcer was such a good deal, why'd they put you on staff for a higher 'price', hmmm?
3. This gives the company a 'stick'. Whether they use it or not, or wimp out and turn to outsourcing / offshoring and it's inherent disadvantages rather than fix a 'sick' IT department - may be the sign that the company as a whole is 'sick'. Outsourcing won't cure it; offshoring won't cure it. Remember that the company has basically NO SAY in the hiring or firing of outsourcing / offshoring companies employees. There is far less incentive (positive or negative), the employees are less tightly bound to the company. Finally - your assertion is that the reason for outsorcing is empire-building ON THE PART OF IT. Funny - I've seen it where folks outside the department prosletyze outsourcing (and offshoring) as a way to 'cut costs' in order to make themselves look good - and then, as it fails, they blame what IT remains for the problems, thus cementing their OWN 'empire building'. To the company's detriment, I might add. YOU assert 'all too often IT gets involved in Empire Building'. I assert that this happens only a minority of the time. IT folks are usually far more interested in getting the job done than playing games, in my experience.
So if you would like to say that outsourcing makes sense the minority of the time, for sick companies, for companies too small to support their own IT personnel, or for times of great deman, OK. I'll agree. As a regular thing? As part of DtD operation? Foolishness.