Earlier quoted context omitted.
Agreed, to an extent, but that doesn't mean you can breach any barrier someone has in place preventing access, take it, and make it publicly available.
The information Swartz was downloading was scientific papers that we, the public, have already paid for with our tax dollars. The crime here is that the government allows JSTOR and other private companies to still hold those papers behind paywalls instead of releasing them into the public domain as they should have been.
The public might donate food to the poor. That doesn't give them the right to go into their house and rummage through their fridge.
Maybe there is a missed opportunity to require open access as a condition of public grant funding. That doesn't change the fact that it is not a stipulated condition.