While I was watching it I thought it was really a bold idea and how interesting and complex the show would be going forward with the benefits of the armistice for both sides and trying to actually enforce changes to the most unsavory aspects of the Emerald Chain - how would she bring people to heel? Those unpleasant compromises that might ultimately make everything better for everyone, but in the interim have Federation questioning what they got themselves into. But we also get to see some benefits in the interim. I thought, oh wow, this is a cool morally ambiguous solution. And I was soooo ready for a breather on the high stakes for the next season. But the stakes in S4 ramped up to eleventy right out of the gate.
While I liked some aspects of Season 4 (The communication aspect with Species 10-C and Zora), I agree, especially after watching the premiere last night. We don't even have an episode where it's just Discovery having it's mission, despite that being how the episode starts. They must get to the anomaly right away and end with another Galaxy defining threat. When I say go the DS9 route, what I mean is instead of having another threat, continue with the Emerald Chain as being maybe like the new Klingons or Cardassians. Yeah they have done bad things, but considering the circumstances, they might have had reasons for doing those things. You can develop that and actually make this new 32nd century universe "lived". That's what DS9 did. They took aspects of the original and TNG and build upon them, making the alpha quadrant like a living entity.
Now that I'm in Season 4 of my rewatch, I think the best way to describe Discovery is "what if". What if they went down different paths (You can say that in all the seasons really). What if the bridge crew became more than they were and we really got to understand what a character like Detmer was going through with her PTSD? There's a lot of good ideas in this series, and I actually like the cast, but with better writers I think it could have been something special, especially since this is a series that doesn't really call back to the other series that much, except for Spock and Burnham being his adopted Sister and bringing in Pike in Season 2.