For context, my answers are in regards to growing companies versus those past that stage that now get more value from focusing on pure optimizations. I've found that approaches which work for the latter actually hurts growing companies and vice versa.
At some point, you must agree on who is responsible for what instead of everyone being accountable for everything.
In my experience splitting into teams of 6-8 people and then assigning focus areas to teams works fairly well. Assuming you split in a way where teams are not blocking each other the vast majority of the time.
Do you have any ideas about how to use metrics to help align with a vision?
I was thinking more of business metrics which may or may not tie into vision. What metrics does the business care about (customers, revenue per customer, customer sentiment, fraud reports, etc.) and why do you think each team helps those metrics? A team may be supporting other teams but otherwise they should be pushing forward some business metric you care about and are measuring. If you're not measuring it then how do you know the business is actually doing better or worse in an area (or that a team is helping)?