The vaxx conundrum

Take a quick look at this:

Did the smallpox vaccine help me as a child, the tetanus, typhoid? Yet today, more and more is coming through from doctors about contra-indications and lack of efficacy of certain drugs … we can only record it … dozens of pages over the past half decade … and leave it at that.  

Are Malone and McCullough quacks?  Is RFK Jr. wrong?  Is Dr. Mary Talley-Bowden wrong?