the constant barrage of questions are not apologetics but diversion tactics. They are deflecting away from defending theor faith/position with questions. Its a tactic of debate/rhetoric when one cannot defend themselves.
... which is why YOUR side is asking questions constantly, to try to control the discussion.
We don't need to "defend" our position.
We're not trying to convince you that Calvinism is true.
But if YOU are trying to convince us that YOUR beliefs are true, then YOU need to defend YOUR beliefs, rather than trying to attack Calvinism by asking worthless "questions".