The shift in FIFA 23's meta is due to EA Sports fixing a major dribbling bug, rather than nerfing the Lengthy AcceleRATE type.
Following EA's Title Update 4 being released into FIFA 23 this week, many players started to notice a big difference in-game, with Lengthy players no longer feeling as overpowered as they did before the update. It was assumed that EA had updated the game to stop Lengthy players from feeling as powerful, but there was no mention of an update to AcceleRATE types in the Title Update.
But EA has now confirmed they have fixed a dribbling issue in FIFA 23, with AcceleRATE values unimpacted by the update. Rather than Lengthy players being patched, EA has fixed a bug that has been impacting Controlled and Explosive players since the game's release.