Most Europeans believed the world was flat...long standing belief...Chris changed their minds
Don't care to know everything about fish, but just to dismiss someone's hard work because it doesn't fit your mold of what you believe, isn't being too smart. It's ok if you don't want to learn about different behaviors of fish, but it's not your call to tell others what they should want to learn or not. If you fish, you're a scientist...it's called trial and error