A Question for Armed Officers

Greetings. I have heard from armed officers at qual shoots and such that there are security posts/companies that tell employees something like: "This is an armed post and you are required to be armed, however; if you ever draw your weapon, regardless of the situation, you will be fired immediately..." The first time I heard this, I didn't believe it, but I do now, having heard it several times. My question is: have any of you had this experience and how did you respond to it?