Everybody has an opinion.
How many 10’s of thousands of quality documents have you read on the topic?
How many world famous researchers have you talked to face to face about the topic around the world?
How many relatives/and/or close friends have you had working around the craft?
How much fair-mindedness can you muster about the topic on a good day? 0-100? ______
What would concern you the most were such things to be proven true to you beyond a shadow of a doubt?