CAN A PERSON WRITE A BOOK OR SPEAK ON A TOPIC THEY HAVE FAILED IN
Two media savvy business men wrote books in areas they have failed miserably in multiple times. One is on relationships: "Act like a lady think like a man" by Steve Harvey. The other in business dealings "The art of the deal" by Donald Trump. When is failure no longer acceptable by an individual to write a book.
How many times can a driver's education teacher have an accident and in the meantime spread knowledge on how to succeed with driving, where is the success part of the story coming from. I agree that anyone failing at a task can tell you how to fail but how can they tell you how to succeed. Is it after the first or second failure? The bigger question is, how many times do you give them a pass on failing in a relationship or losing money in a business to consider the source.
To write a book on how they failed is one thing but how to succeed at a relationship or business is another. If Steve Harvey had spent 25 years in one of his three marriages, when is a pass on his failures a given and shouldn't that pass be for the purpose of an expedient recovery after the first but not after three marriages. If Donald Trump had failed on two of his business deals to recover after the second and write a book on them that could be very educational but to fail on 13 business adventures then to say, this is the art of the deal has its irony.
Conclusion: when is failing too much to write a book about. And how does someone learn when they are drowning in a field of possible successes they have not mastered.