Which is to be expected since your core business is software. I work for a very large consulting company and I also have administrative access. But my client's machine do not - big insurance companies, banks, publishers, Telcos, petrochemicals, etc.

Why? Tell me, if you were a system's administrator in charge of 10.000+, would you risk it? That's everything that's bad in corporate culture, but as you get big, it happens.