If we're honest about the US justice system, this would be a subjective decision decided by non-technological lawyers, jurors, and judges. The purposeful malicious intent is working hard against his stance.
OK, but should cloud providers similarly be held accountable for screwing their customers through negligent acts - to come full circle, like pulling these updates without doing any checks or QC?
The issue we're discussing here is based on 18 U.S.C. § 1030(a)(5) (note the last digit) and "authorized access" is not mentioned there at all. This section deals with damage and not access.
https://www.natlawreview.com/article/supreme-court-ends-long...
Edit: Note that I'm seeing this the same as a virus, not the same as a data-extraction hack.