If you are looking for a job then you need to prove that you have a broad and desirable skill set. Most employers want to see that you use logic and reasoning in making a decision and show quality critical thinking skills. They want someone who can approach problems with good solutions.
Employers also like to see that potential employees utilize quality problem solving skills. Being able to identify an issue and resolve it shows them that you are flexible and intelligent.
Future employers want to see that you are not only able to make decisions, but that you are able to make good decisions. Showing them that you use good judgement in your decision making process makes employers feel more secure.