There are few people who are not actually sincere in their jobs and started doing bizarre things while being provided with some responsibilities. Even when these people are preparing things with full concentration, there was lots of weirdness in the techniques. This actually happens because of the little knowledge about the procedure or the techniques they are following. There are various people with lots of interesting qualities you can find around you but sometimes they also fail to justify their qualities in their daily livers. You can also know the details their mistakes if you follow the above mentioned link.