I was drawn to the film Carnage by the actors—specifically, Christoph Waltz and Kate Winslet, though Jody Foster and John Riley can certainly hold their own as established actors, and in fact have been in Hollywood far longer than Waltz and Winslet. The primary message of the film seems to be that making up may be more natural than the adults think. This is perhaps why the conflict between the adults doesn’t really get resolved—there being no sense of resolution. This is particularly noticeable because of how dramatically the emotions escalated—particularly in Foster’s character but with Winslet’s coming in a close second. In other words, the acting firepower was perhaps too much, given the actual matter of conflict—the boys’ fight in a city park.
The full essay is at "Carnage."