But you only have a license to use the screwdriver, it's still their property. You aren't entitled to free use of someone else's property, of course. Just because it's in your possession doesn't mean it's yours!
(This is supposed to be satire but feels scarily accurate anyway.)
Everytime I use an Autodesk product (6days a week) I lament this court case.
The whole set of software IP rules seems like mental gymnastics to justify a career (that I like, support, and benefit from) rather than rules that come from axioms or ethics that make sense.