It's merely your logic. AKA head canon.
I'm not saying it isn't a bad plot twist. I'm just saying that the only explanations that fit within the show are either copied superpower or device. Or . . .
This would be cool, too. I don't think they have enough episodes left to play with that idea, though, so had discarded it.
I'm kind of expecting something along those lines, if the explanation turns out to be copied powers. But who knows this season? There hasn't been much internal consistency so far, and I'm not expecting them to start now.