Apparently some smart meters emit EM radiation over 100 times more powerful than mobile phones (and mobile phones emit enought EM in use to interfere with the operation of other electronic devices). There is concern this level of EM radiation received cumulatively could have adverse effects, so should be studied.
"The poster child of this cumulative ignorance? Anti-vaxxers"
Their main objections are
(1) there are too many vaccinations and receiving so many at a young age may cause permanent damage to the immune system. Some vaccines contain trace amounts of harmful substances like mercury, and are alleged to cause autism.
(2) many of the diseases vaccinated against are no longer prevalent. Some question whether these vaccinations are still necessary, but the pharmaceutical companies lobby the government to continue administering them.
(3) if vaccines work then you are not a risk from people who have not had the vaccine, therefore vaccinations should never be mandatory.
"Donald Trump has his KKK"
Didn't you hear the KKK endorse Hillary Clinton now? (Watch the Clinton Cash documentary showing how corrupt and unprincipled the Clintons really are).