I don't think I understand why it even needed to be mentioned. The type of person who is going to dismiss a game purely because it doesn't live up to another game isn't the kind of person who is going to take this advice to heart.
And no matter the costs to make a game, it's not going to stop people from trying to make a game like Baldur's Gate 3 anyways. Just look at any game that tried to copy Skyrim. It's a very highly specialized game in a very well known franchise and takes several years to make, often longer than most development periods for other studios.
Seeing as the studio hasn't said anything, it's not looking good for them. In this situation, you really don't want to be the last one to say anything.