There's very little autonomy among teams. If you come up with an idea, you'll get stuck fighting against middle management and "platform" teams.
Things take forever to get done. If you're an engineer who values efficiency, and doing things right, CA will change that.
The tech stack for some teams is outdated. You'll get stuck working on something that provides very little value outside of CA.
There's definitely an ego among some of the platform teams, along with some of the middle managers on those teams.