All true (I have no kids). The science is very strong that measles, polio, etc etc etc are all greatly diminished due to vaccines, but the catch is your kid is more likely to have serious injuries from vaccines (e.g. debilitating brain injury) than to have a serious injury from any vaccinated diseases in a well-vaccinated country like ours. A dilemma, but not a slippery slope if you elect and monitor local health authorities who mandate vaccination.