I'd agree with the "far more than they can chew" part. It seems to me that Larian is kinda lost now, they tried to adapt their divinity engine for d20 rolls and aimed for a middle of the road approach between DOS and D&D, and this didn't please neither party and lead to controversy.
Solasta's launch was definitely another hit, given that in interviews Larian said that tabletop features did not translate well into video game and that's why there were so many features missing. Pretty much all those features are present in Solasta however, and not only they work, but the gameplay is MUCH better than BG3's.
Now they are in a crossroad, they can't go back with the engine because there was too much time invested, and perphaps the engine does not allow for some features to be implemented, which makes me think that the gameplay is already compromised and will lead to a ton of criticism upon release.