This just seems like a rather clever permutation of ad hominem.
“The reason I won’t refute your argument is that it is so incorrect that it would take me forever to explain why.”
“The reason I won’t refute your argument is that it is so incorrect that it would take me forever to explain why.”
Brandolini's law is more like the adage, "a lie can travel halfway around the world, while the truth is lacing up its boots." It's very easy to spout correct-sounding lies in such a volume that countering them becomes an academic challenge.