I wish Catholic would realize once and for all what a revealing and sad comment that actually is. Anyone who has experienced the true indwelling of the Holy Spirit would be appalled at a notion of "free pass to commit post baptismal sin". I would strongly suggest that Catholics not use that line as it indicates a lack of experience with the indwelling influence of the Holy Spirit.
Yes, it has only been refuted about 3.753 million times, but it keeps coming up. Someone didn't get the memo, and I suspect that quite possibly, never will. This will come up again.
Well; to balance the record; many Prots in these threads have said essentially the same about Catholics: Just go to the priest and say a few Hail Marys and yer good to go again.