We've owned our boat for 20 years.  I never go out into the cockpit with shoes on.  Benny's right.  Ain't worth the potential damage.  I can drop my anchor and raise it with my eyes closed, but I wouldn't go close to thinking about doing anything on our boat with those toe-stomper things on.  Simply too dangerous.
Reminds me of a decade ago:  I broke my leg skiing.  84.6% of the folks I met who "used to ski" told me that they stopped because they broke a bone.  On their "last run," whether that was at 4:00 pm or the r=first run of the day, it was their very LAST run.
Same thing with flip - flops.  Why bother?  Don't say you haven't been warned.
Be "foot safe."