People who frequently engage in risky behaviors are extremely insensitive to the of their behavior.

People who frequently engage in risky behaviors are extremely insensitive to the future consequences of their behavior. For example, people who love to get drunk and drive while intoxicated know for a fact that this is dangerous as it may cause accidents but they don't consider the outcome of their behavior. Hence, many people still commit dui. 

in this scenario it would be the consumer demand as most influential in making the decision. the band members need to figure out where and from whom they will make the most money, in other words who out of the two consumer groups - football fans or car drivers - will spend their money, who is more likely to contribute to their cause and buy what they are offering.

the branch of biology that deals with the normal functions of living organisms and their parts.

the way in which a living organism or bodily part functions.