Why should we constantly be reminded of it? Imagine you failed your first year in college, but then graduated with honors somehow. Would you like your dad constantly reminding you that only 4 years ago you were a complete failure? I think not
In any case, Conte does have his flaws, but in this particular instant, the mind games might actually be useful. Deflect pressure off the squad in the meida a la Mourinho, while giving the lads self belief in training and the dressing room.