A chair umpire stopped a Grand Slam match on Monday night to tell a suite full of influencers to sit down. Fans in the stands say the ushers had been helping hold the lights. That detail is the whole story. The US Open credentialed close to 100 content creators as media this year, up from 54 last year, which was the first year it credentialed any. In 2024 it rewrote its fan movement rules so people no longer wait for a changeover to reach their seats. Spectators in Ashe told Inc they watched…