No, I've been doing this 30 years or so. What I've observed over the years is that IT often motivates business units to initiate their own stealth projects as a way of bypassing the expensive and inflexible IT bureaucracy. If IT was decentralized, it would allow for gold-plated bullet-proof solutions at the center and customer and budget friendly apps around the edges. I don't think management consciously seeks to perpetuate the divide, it is simply a cultural norm that is hard to shake.

If you were someone who satisfied the customer instead of saying "no", you'd know that