This question shows that you're the type of person who likes to hit the ground running, instead of spending a week filling out HR forms. It also shows that you recognize patterns of success and want to replicate only the most effective performers.

Every company has its weird nuances, its own environment, and its own unspoken expectations. This helps you start with a little bit of the insider info so you don't suffer a case of "if I knew then what I knew now" in six months.