Wow, yeah, now that you mention it, they do all revolve around Maria! And even when it's about Anastasia, there will be more on maria than O and T most likely, just because they were closer.
Yeah, the kitchen boy has a lot to do with her, and Anastasia is only in a few scenes. And in that fictional (and in my oppinion, innacurate) Anastasia diaries they talk a lot about her too....
-Dana