That's totally wrong. What EA did is removing the assists related to defending.They reduced or eliminated the auto tackling, making auto contain useful in holding up players in midfield and useless when spamming (relying on) it only. I like where they are heading.That makes defensive side of the game more of an art rather than pressure abuse.
The whole game comes together in a better way rather than any fifa before (I liked 14 NG)
*sorry for being positive
You're right in the sense that the change isn't in AI, but in the tackling mechanics... but you go too far. Online (particularly in gamemodes that are more than 1v1) is still ruled by incredible pressure.