I see your point and I agree that being able to do these things probably should be allowed in the game, if only for player convenience. I think you're reading a bit too much into how much the tadpole can actually do though. So far we've only seen brief flashes of telepathy between the party, nothing as expansive as what you're suggesting. I don't think there needs to be that kind of in-depth explanation at play. It's enough tojust let it be allowed without needing an in-story justification. If you're talking about in-story justifications, then one could argue that everything going on is happening really fast, it's all chaotic and crazy and everyone is just trying to survive, so there just isn't time for anything more than surface level cooperation. In contrast after the Nautiloid, when there's less going on and characters can actually talk and figure things out ahead of time.
Also I would argue that players really shouldn't be able to defeat Zhalk and the Cambions without cheesing. The point of that part is to run to the control panel in a mad dash, with the demons there as big, imposing threats that our characters should want to avoid. I feel like making it too easy for players to beat them would defeat the point. At level one, I think we shouldn't even think about tackling that sort of fight without thorough mastery of the systems and abilities at our disposal.
