I think maybe some consideration of exactly what someone is claiming to prove is taken into consideration here. Suppose my goal is to show that it is reasonable for me to reject Calvinism. If I'm going for that, then I can make a few points. First, I can argue that compatiblism doesn't look good to me, pretty much for reasons given in Van Inwagen's Essay on Free Will 25 years ago, augmented by Bill Hasker's defense of LFW in The Emergent Self. In my view Frankfurt counterexamples are just better and more sophisticated devices for taking one's eyes of the fact that if determinism is true everyone's actions are the inevitable result of causes outside the agent's control, and that if this is so, it is unjust to treat agents as if they were responsible for those actions in the final analysis.
Second, I can point out that as I see it, the glory that God receives in predestinating the lost to eternal punishment is obscure. "Glory" as I understand it, is an audience-relative term. God manifests has attributes, but to whom? To Himself? He is already aware of his own attributes. To the lost? The can't possibly appreciate it. To the saved? Surely, the saved can be brought to a realization that they are there by God's grace without having to damn anyone. So the "greater good" achieved in damning people strikes me as just obscure. Now obscure doesn't mean impossible.
Thirdly, while I do understand hell as a possible outcome so long as people continue to disobey and God, out of respect for their freedom, refuses to forcibly convert them, I do not understand hell as deserved retributive punishment for all sin.
That is, I understand a "natural consequences" view of hell but not eternal retribution per se.
Finally, Calvinism has the consequence that, for those whose loved ones are lost, God intended forever to frustrate the prayers of those who earnestly desire the salvation of their nearest and dearest. Desire for the salvation of others seems to be a holy thing, yet God intended from the foundation of the world to deny these earnest prayers? This just seems deeply puzzling.
All of these points require further defense, and I do know that the resident Calvinists have responded to them. But if we grant that at least some of us think in the above ways, we are left with what seems to me to be a heavy burden of proof to support a case for Calvinism. Does it meet that standard? If there were scholarly consensus on these matters, then perhaps it could, but there is no such consensus.
On the other hand, someone who finds compatibilism sensible, who thinks that punishing the lost eternally a positive good instead of a sad necessity, who finds it plausible to say that a sin deserves an infinite length of punishment because it is against God, would require far less biblical proof to be a Calvinist.
Arguing that an opposing view is irrational is always the hardest thing to do. But I think I have shown here that I have good reason to impose a high burden of proof on Calvinist exegesis here, at least so far as I am concerned.