Although Zach isn’t as good as Lawson or Masters, I think it’s more of a case that he’s younger and has aspirations to try and make it further in the sport, like his Brother, and then riders like Basso Brennan Nagel and many other riders who left the champ despite never hitting a 9 average.
I still firmly believe Zach is riding at about 75%, and come the playoffs he will find that extra gear like last year