Given current context wrt "Western Medicine" in general and vaccines almost as generally, it does not surprise me that there are Perfection-or-Nothing people out there looking for nits to pick.
Of course, it's not just the issue of vaxes or any other particular issue. Some people demand that Trump - or any candidate - agree with them
100% on everything. All or nothing, indeed. Now that he's appointed a "married" gay man for secretary of treasury, I suspect there are a few regretting their vote.