That kind of argument is generally considered to be 'poisoning the well' - https://en.wikipedia.org/wiki/Poisoning_the_well https://en.wikipedia.org/wiki/Poiso

That kind of argument is generally considered to be 'poisoning the well' - https://en.wikipedia.org/wiki/Poisoning_the_well https://en.wikipedia.org/wiki/Poisoning_the_well