Dr. McNamara is quite outspoken in her critique of the human public health system.  Is this warranted?

QUESTION 1
Dr. McNamara is quite outspoken in her critique of the human public health system.  Is this warranted?  Why or why not?  Defend your position with relevant references.

McNamara, T. (2018).  Canaries in the coal mine.  TEDxUCLA https://www.youtube.com/watch?v=qm8NnL582uc