Yeah, when I watched the video I was focusing on the section where they went through each other (and the guy posted the screen grab of it).
You're definitely right about it being the acquire ball system, or at least how it interacts with the physics system.
Someone else asked how something like this could happen. I'll answer it here since I can't find the comment anymore.
I mentioned in the physics thread how we are using different physics shapes on different body parts and in different situations in the game.
When those shapes change, we need the physics to transition smoothly into the new state, however it looks like there is a bug in that system from looking at the video. My assumption is there's a bug that breaks the continuity of this transition and causes the players to shoot through each other.
I haven't had a chance to investigate further (been working on other things) but will definitely have a chance in the next two weeks.
And to your last point, I agree and we're working on it. Keep in mind the physics is influenced by where the players are pressing on the sticks. So it's very difficult to properly diagnose videos like this that don't have all the info I need.
But what I can do is try and repro what we see in this video in ANT here at work, and address the issue that way.
Hopefully that gives you some insight into the kinds of problems that are left to fix, and reassures you that we're aware of the problems and are working on them.