She could have returned home when she originally visited, and applied for citizenship, before she overstayed her visit and broke the law.  Not some time after 12 years or whenever she feels like it, or after she's caught.

So a slap on the wrist, and keep your ill-gotten gains, rather than righting a wrong is your answer I guess.  That's some disincentive to discourage future law-breakers and protect law-abiders.  Does that code of ethics apply to white collar thieves too?  Not sure what their punishment should be, but it's absolutely not about having to return all the money they stole, right?

Now there's about a half-dozen questions you haven't answered, so please get to that first before you ask any more questions just to avoid answering any yourself.

A similar situation happened with Chef Chai.  It took Inouye and Akaka's power in Congress to force his stay.  That still doesn't make it right, especially when it's done for some but not others.