Would you even understand if they were to tell you? This game is driven by massive database(s). Some database updates just can't happen when there's hundreds of thousands of reads/writes happening on it. They can be doing a number of updates on the server side to address glitches/bugs, improving stability. It would also be quite hard to make small server software updates while users are still actively on server. It leads to unpredictable glitches and basically becomes a customer service nightmare.

And why should they give you a detailed report of their activities? Some specific information could potentially give hackers some insight into their infrastructure and open up the potential for server hacks.

Basically, you're on a need to know basis..and you don't need to know.