One intellectually bankrupt technique to rationalize non-engagement with an argument is to complain that the ones putting forth the argument compare themselves to Nicolaus Copernicus or Galileo:
"So the central laws of the movements of the heavenly bodies established the truth of that which Copernicus, first, assumed only as a hypothesis, and, at the same time, brought to light that invisible force (Newtonian attraction) which holds the universe together. The latter would have remained forever undiscovered, if Copernicus had not ventured on the experiment-contrary to the senses but still just-of looking for the observed movements not in the heavenly bodies, but in the spectator. In this Preface I treat the new metaphysical method as a hypothesis with the view of rendering apparent the first attempts at such a change of method, which are always hypothetical...
This attempt to introduce a complete revolution in the procedure of metaphysics, after the example of the geometricians and natural philosophers, constitutes the aim of the Critique of Pure Speculative Reason." -- Immanuel Kant, Critique of Pure Reason, Preface to Second Edition.
As I understand it, Kant's revolution was not to look for what must humans be to understand an external, given, phenomenal reality. Rather, he asked, what must the phenomena be such that we could observe it, given the properties of our understanding. But I have never read far in this particular book. Nor, given non-Euclidean geometry and other readings in philosophy, do I expect to agree with it.