And, there should be some civil remedy that costs Theranos big-time. Massive fines, one-site FDA overseers, etc.
That said, I don't think I'll be sending my bloodwork to Theranos any time soon. That's some scary stuff.
With that background, your faith in the system is touching but unwarranted.
I doubt this will result in jail time for the principles, but they should be expecting lawsuits over this.
You don't have to mean for something bad to happen to get jail time. You're still responsible for your actions, intentional or not.
I'm not lawyer, so bear with me, but my lay understanding is that if it can be shown that they should have been aware of the quality and other issues regarding their results, they could be criminally negligent. Feel free to correct me.
And Holmes and the board believed in good faith that their prothrombin test was accurate. No mens rea, no culpability. No prison for anyone.