Pod based team structure

We have a team composed of 2 scrum teams, a devops team, and a qa team.

I know companies like Amazon, Spotify, and Netflix use the pod based approach among many others.

Do you guys have any experience with this? Pros and cons?

Right now, we have too many bottlenecks impeding our devops progress as they handle alot of cs requests, incidents, ect.. even though we push devops as a culture ans have rolled out more devops types of responsibility the scrum teams themselves.