Explain why just counting the number of bacteria is not enough for judging the safety of the product

For the answer to the question above, I believe low bacteria count doesn't mean the bacterias aren't pathogenic because anaerobic bacteria might not be counted and bacteria clusters could form ONE colony (even though there are a lot of more them present than counter).Also, it doesn't test if the bacteria are pathogenic. It just counts the visible ones

They probably don't understand either 1. what the nightmare is about or 2. his anxiety and stress