John is a well-known instructional designer within his company. He has been working with the company for nearly fifteen years. To his boss and colleagues, he is the first and foremost expert when it comes to best practices and instructional deisgn theories. One day John prepares and delivers a presentation to his colleagues on a series of tips based on his personal experience as an instructional designer. When asked about the effectiveness and success of his tips, he simply states "I have been doing things this way for many years with no negative feedback from anyone." John is delivering a presentation of valid best practices. True or false?