I guess it almost runs in the same area the pet peeves and etiquette in the gym. I found it best to W.O in the time where the people mentioned here are not around but alas, it's kind like another day at the gym so concentrate in our routine is our main focus. How I deal with those who put the dumbbells all over the floor is just to be a better man and put it where it belongs...maybe a higher power with some sense inside their heads...