I'm not bowled over by any of these tidbits. I know it's a prequel but this show really needs to start standing on its own two feet. Burnham is a mistake. We didn't need Spock's never before mentioned human sister. The character relies too heavily on the Spock connection.
Her being Spock's foster-sister is mostly backstory in the first season. Her story arc is about redeeming herself to the eyes of Starfleet. Spock and his family don't have to do with The Story of Redemption.
And then Burnham ended up caught as a pawn in Georgiou and Lorca's personal war in the Mirror Universe. Again, nothing to do with Spock or his family.
Although I'm happy to have Spock appear I'm also not thrilled with how reliant this season is going to be on a character from another show. Pike looks great and has a lot more scope than most previously used characters but he should've been it. It's become too self referential and feels like it relies too heavily on what came before.
I agree with the gist of what you said here, though I don't think we'll see Spock much. But at least they're going out of their way to not have TOS Spock.
The worst thing about Season One was the Klingons. Setting the series in this era just to hash that mess out was not worth it. I personally don't want to see L'Rell or the Klingons ever again.
Culber coming back is not something this show needs. Perhaps he'll improve but he was a glorified extra in Season One. This feels like more fan pandering.
The more I hear about this season the more I'd rather watch a direct prequel about Captain Pike's adventures. They're not giving me any reasons to be excited about Discovery's own characters.
Maybe this is what it boils down to. If someone's not interested in Culber, Burnham, L'Rell... and by extension Saru, Tyler, Georgiou, Stamets, Tilly, and Cornwell.... then they're going to start focusing more on the TOS characters: Sarek, Pike, Mudd, and I guess Spock.
I'm interested in Burnham, L'Rell, Georgiou, Stamets, and Tilly's arcs. Saru to a lesser extent. And Cornwell when she shows up.
Culber, ehhh.... I don't know. I'm in the camp who's not too sure about this.