I've been in law enforcement for over 15 years. I can assure you I've heard every curse or insult imaginable. And behind closed doors, there is no shortage of foul language. That being said, there is a difference between "street" talk amongst your trusted coworkers and shouting it at strangers out in the parking lot.
I've got 5 years on you Bro!!

I'd think aliens replaced their bodies if I went a day with out hearing **** at least 50 times....sometime just from one person
I dislike someone acting that way in a hospital environment. I guess that I could see patients being outside and not needing that type of treatment.
I'm surprised that apparently so many people work at places where others curse like sailors. My company would show such people the door.
There's a reason for the phrase "curse like a sailor"....a common thing in military, as well as in law enforcement....guess we should show them the door too?
I would have rolled my eyes, thought "whatever" and continued on never giving it another thought.
I'd think, "ok, that makes 51 times today!"
It is a crime to stab someone else in the chest. It is not a crime to not report such a thing. It is not illegal to mind your own business. A crappy thing to do? Yes. Criminal? No.
18 U.S.C.
United States Code, 2011 Edition
Title 18 - CRIMES AND CRIMINAL PROCEDURE
PART I - CRIMES
CHAPTER 1 - GENERAL PROVISIONS
Sec. 4 - Misprision of felony
From the U.S. Government Printing Office,
www.gpo.gov
§4. Misprision of felony
Whoever, having knowledge of the actual commission of a felony cognizable by a court of the United States, conceals and does not as soon as possible make known the same to some judge or other person in civil or military authority under the United States, shall be fined under this title or imprisoned not more than three years, or both.
(June 25, 1948, ch. 645, 62 Stat. 684; Pub. L. 103322, title XXXIII, §330016(1)(G), Sept. 13, 1994, 108 Stat. 2147.)
Historical and Revision Notes
Based on title 18, U.S.C. 1940 ed., §251 (Mar. 4, 1909, ch. 321, §146, 35 Stat. 1114).
Changes in phraseology only.
Amendments
1994Pub. L. 103322 substituted fined under this title for fined not more than $500.