Cultural and personal histories will heavily affect the general view that people held when observing the situation around them. This will also influence the way they make their judgement when handling the problems in their professional careers. Sometimes their experience created some sort of bias that cloud their judgement in their decision making process.
Professional training serve as some sort of guidance to help the employees handle every situation that they face. If people could override their own personal histories and hold this professional training in higher standard, they can consistently make better/more appropriate decisions in their professional careers.
That statement is false. A drink would be considered as a high-proof drink if it contains high amount of ethanol inside it. On average, a higher-proof drink could produce as many as twice the amount of alcohol effect compared to average alcohol drink.