Result of the Big Dig Collapse

The Boston Globe today has an article The Big Tangle. "In the aftermath of the fatal I-90 ceiling collapse, a complicated legal fight has drawn in a phalanx of attorneys to defend pocketbooks and reputations. Such maneuvering has drawn comparisons to famed disputes in Boston history." But the thing that makes it is this graphic of the resulting law suits (I don't know how long it will stay up). Could anything more clearly state that something is very wrong with the system?