I have often thought of that, but not in the context of being a CCW carrier. I grew up in a rough area of Dallas (Pleasant Grove) and learned at a young age to "be ready".
That was reinforced last year when I bought my first pair of flip flops (ever) and while I was walking 2 doors down to visit with a neighbor they kept slipping off. Now I only wear them to go turn off the foundation watering hoses (In TX we have to water our concrete foundations).
IMHO, if you have flip flops on and you get in to it with someone they need to come off. But with that you run the risk of someone stopping on your toes to throw you off. I know I would