This sounds like a complex case. Doesn't seem odd that the plaintiff and defendants need time to prepare.
Almost two years to prepare?
15 million pieces of documents and 1400 witnesses to talk to. I made those numbers up but on HCA case apparently the Govt had 13,000 boxes of documents...500 FBI agents participated and HCA spent $300 mil in their defense
https://books.google.com/books?id=5SwZ0j9lf40C&pg=PA235&lpg=...
That right there is an argument for laws resembling antitrust laws, but simply aimed at corporate power, rather than excessive market power.
The efficiencies gained by mega corporations aren't that big, we shouldn't let them use size complexity to obscure malfeasance.
It's less baffling when you consider who the clients of the US justice system actually are: wealthy and connected social elites.