There is no team in American sports right now with worse vibes than the Nets. It’s not just the 11 straight losses (six of which came by double digits) or Kyrie Irving’s continued part-time absence, it’s also a general malaise hanging over Barclays Center, providing an added layer of unshakable February coldness. The losses are piling up, the team is basically different every single week, and one of the men tasked with fixing things has not played in an NBA game since he was spooked out of an open dunk in Game 7 of last year’s Eastern Conference semifinals. Ben Simmons was present at Nets’ sho…