I second this, I've been replaying IWD2 recently and I've been surprised just how much it takes control away from the player. It's not such an issue in a game where you don't have designated leader, but it's still annoying ruining your preparation and making you walk straight into ambushes.
There's one particularly stupid encounter where your party is forced into a cutscene where they walk towards a lich hurling several spells at a cleric, only to stand around gormlessly watching the cleric die, when they could have easily stepped in to help him. I think there was another encounter where you weren't given control back until a group of enemies had closed on your position, and the final battle forced your party to walk into a specific place too.
I don't like having control taken away from me unless there's a valid reason, like walking into a trap or being teleported away somwhere.