It doesn't matter how ingenious or brilliant a child is, they still MUST learn to respect boundaries and other people's rights.
I borrowed it, often unauthorised, but I wouldn't have dared to give it back in anything other than the condition in which I found it. Because if I hadn't, my dad would have whipped me into the middle of next week. He was an ISTP, by the way.
One of my children is also an ENTP. I take the same approach to her as my Dad did towards me. Consequently, she plays and experiments with her own stuff, but if she wants to use anybody else's stuff, she asks first, because she knows there will be consequences otherwise.
Being creative is not a licence to be a selfish, obnoxious jerk - NOTHING is an excuse to be an obnoxious jerk, however cute and amusing your mother finds you. This is something I've always believed was imperative to instill into my kids. Tolerating such behaviour simply teaches a kid: you're BETTER than other people, so you can treat them as mere objects, and they and all they possess is simply there for your benefit.