As I suspected, Didi's hit was shortchanged about 12 feet vs where most balls hit with that velo and launch angle land.
from fangraphs
The ball left the bat at 101.4 mph, with a launch angle of 41 degrees. Per Statcast’s Exit Velocity & Launch Angle Field Breakdown tool, similar drives have been homers only 23.1% of the time in the past five seasons, but that doesn’t consider the direction of the ball, to say nothing of a ballpark that’s a mere 314 feet down the right field line. While there actually hasn’t been a ball struck to those specifications in Yankee Stadium during the Statcast era, from around the league in 2015-19, a total of 172 similar fly balls (with launch angles between 40 and 42 degrees, and exit velos between 101 and 102 mph) averaged 353 feet, where Gregorius’ drive was estimated at just 343 feet.
so that ball is generally over the fence where he hit it