Pul what
I do not think you have convinced me but I am sure not going to say you are wrong. There is no doubt that carb heat on with full power will produce the most amount of hot air and if any doubt this is the safest action.
My only point of debate is whether this should be the universal automatic practice anytime carb ice is suspected. I personally do not think so but this issue like many others will have more than one "right" answer