I think the point about professionalism is a bit over stated. I will say, though, that when an official is seen backpedaling, it's going to say something about that official.
1. He/she hasn't been instructed not to do it.
2. He/she has been told, but has chosen not to heed the advice.
3. He/she is aware of the danger and is trying to break an old habit.
The first one is at least easily correctable.
The third one is easily detected by speaking to the ref about it. The 2nd will give a ref the reputation of being a "yabut" guy. You know the type, the ones who respond to any and all critique with "Yeah, but...."