I personally law schools look as in depth as people suspect. They will look at your numbers, letters of rec, resume, personal statement, etc and realistically they are unlikely to review that in to much depth. The numbers determine law school admissions a few items on your application really won't make that big of a difference. Remember these people are reviewing thousands of applicants and realistically most of them look the same everyone graduated from college with good grades, showed up to the LSAT, got a professor or boss to write a letter, then some personal statement explaining what drew them to law school. After looking at thousands of those that essentially look the same they just go with the numbers.
As the above posters said that is a common question to ask, but I don't know how much of a difference it will make in your applications.