i dont find insisting that family be vaccinated to be emotional blackmail.

i wouldnt let my child travel in a car without an appropriate carseat/belt, regardless of the drivers person opinion towards seatbelts. i wouldnt let someone feed my child junk food.
i wont let potentially ill people near my child.
vaxx gives at least a 85% chance of not carrying/contracting pertussis. id buy a lotto ticket if there was an 85% chance of winning the jackpot.