I'd add one for the internet age which I know myself to be guilty of using on occasion though not without some justification:

"Your perception of [groups behavior]/[scale of problem]/[frequency of event]/[fraction of people who agree with you] is largely a product of the filter bubble in which you and your social circle interacts"

It's technically true of almost everything and of almost everyone's perceptions but as such can be applied in almost any argument against either side.