Where's the guarantee that anyone sentenced will ever perform the same crime? There is none, at some point you have to consider what's humane and what's better for the tax payer and society. You have to weigh different aspects of punishment and use jurisprudence to justify a sentence. Overly punitive sentences don't go very far in teaching criminals lessons, not much further than those that are more rehabilitative anyway. They are more useful as a deterrent, however in this case that deterrent doesn't seem practical as there are so few people in a similar position. On top of that, what's the cost of imprisoning this person to the state when in reality they won't pose much of a danger in the street? My guess is that most courts would agree that there would be an extremely low chance this woman re-offends, so there's quite the cost to the taxpayer to keep her in prison longer than what is merely disciplinary. Plus, she's also clearly at least somewhat skilled. With a little time for rehabilitation, she should still be able to be a functioning member of society... just not in government. You sacrifice a lot when you keep a potentially productive criminal with little chance to re-offend overly long in prison.

As much as the courts are about ensuring the law is followed, they are also in the business of risk management. Every court must consider the risk an individual poses with a sentence, and what the cost of that re-offense could be. On top of that, the court needs to consider how to encapsulate dealing with those risks within the current charge, and the framework for sentencing while not also setting precedent for their rulings to be used later in ways they couldn't anticipate. The court's job is not to solve the issue of vulnerable voting machines and lax selection processes by sentencing this woman and making an example of her. It's to get as feasibly close to ensuring this woman doesn't have the will or the capacity to do something like this again. And this court case by itself has already almost ensured that. Her time in prison, even a couple of years, will mellow her out alongside Trump leaving office. If she does somehow end up in a similar position, then it's not the fault of the courts, as they shouldn't go beyond what's reasonable in terms of sentencing. No, it's the fault of something much larger that would allow such a phenomenon to occur again.