Mate, yes you did take issue with
@Unbreakable's opinion but as I see it, you didn't critique his opinion all. Instead, you basically lampooned him (not cool mate) for having an opinion because it was different to yours, on grounds which for mine, disqualifies most of us from having any opinion on here.
And for mine, you in fact did dispute his right to have an opinion, in this case, because you assert he wasn't an ex-international FB. As I see it, your argument was fallacious, an appeal to authority, one which you conveniently avoid when you criticise Milford and Seibold unless of course you a NRL level 5/8, NRL level coach and qualified dietician, in which case we are indeed privileged to have you on board.