Sure, but my initial post was not a discussion of his ability, it was a comment on his actual performances in a Saints shirt. If you want me to answer the question of whether or not I think Osvaldo is a very good footballer based on the games he played for us, then my answer would be "no". I would say he is somewhere between "average" and "a little disappointing". Other than that goal, I can not remember any specific passes or pieces of skill etc which he ever did. My most prominent memory in fact, is the number of very easy chances that he was unable to even get on target (once on his debut, twice against City etc), that he was a little 'greedy' at times, and that he had an unnecessarily high temperament, which in no way improved his game.
What's more, while you didn't mention the word "potential", your insistence in his ability is an allusion to his potential to play well for Southampton. So they are related.
We will disagree and you will be offended that I see your view, as others, as a typical British football fans views. I saw a lot of skill in what he did or tried to do. It didn't work often and he hardly made an impression at Saints on the field, but I saw his talent. If you didn't then that's fair enough, but I know what I saw.
As for my insistence on his ability alluding to potential, that is your interpretation not my view.