AI defending improved by EA unintentionally

How did EA improve AI 

as per last podcast on twitch EA declared they didn’t change AI defending but I’m here to give you the conclusion, when EA improved squad battles AI this impacted the whole AI of the game and players started abusing it which sent us back to the same spot as in the previous edition when people began quitting the game, and the most annoying tactic in the game 451 is overpowered because it relies on AI