A wojak image can’t really refute anything; it’s just depicting the original poster as being a seething dumbass (an ad hominem response). If the poster accompanies said wojak image with a counterargument, that could refute something, but most wojak responses don’t bother with actually making any kind of salient point. Which is why it’s such a popular format: it’s low effort.

Edit: Realizing the error in my argument, I have included the following addendum: