Take a look at this photo. After a few seconds, look at the teammate on the hill on the right side of this photo. Did you thought for even a brief moment if that was an enemy? Did you see the friendly icon right away?
That's the problem that I noticed in the game semi-frequently. It didn't cause me to get distracted and die because of it yet, but it's still a very notable issue that I'm sure can be fixed or improved.