Positive thinking is defined as a mental attitude or world view of optimism that interprets situations and events as being the best. Positive thinking has been used in various organizational behavior context and the general idea is to accept positive thinking as being good. Numerous books have been written on positive thinking for example in 2018 there are Positive Thinking Pocketbook: Little Exercises for a Happy and Successful Life by Gill Hasson and The Power of Positive Thinking: How to Relieve Stress and Change Your Life by Poppi Edwards. The main idea of positive thinking is that one must banish negative thoughts. Only positive thinking should be pursued and implemented. But is this positive thinking is really beneficial? Analyze how positive thinking would lead to sub optimal decision making process in the context of non programed decision making