In a vacuum, this isn't a problem. In practice, what you have is people regulating and creating laws for their future employer, and/or legal bribery (knowing y

In a vacuum, this isn't a problem. In practice, what you have is people regulating and creating laws for their future employer, and/or legal bribery (knowing you'll get a cushy job for supporting a bill). At this point, you aren't leveraging your knowledge, you are abusing your power.