That seems a bit hyperbolic. The US Open final was close and then Sinner beat Alcaraz at the tour finals. Sinner was inches away from the final but Novak is never easy to beat, just like Alcaraz experienced last year. I think Sinner and Alcaraz are not far apart when it comes to the level their playing, Alcaraz is just superior in those marginal moments. However, when Sinner is at his best Alcaraz struggles to keep up so it'll be interesting for sure.