Honestly, Harry didn't really consider this kidnapping, and neither did Newt. It was just removing an abused magical creature from a place that had turned Harry into one. Really. Besides, the papers were signed and everything. AKA, how one Obscurial raised by the best Magical creature expert proved everyone wrong. Obscurus actually weren't inherent killers, really.

"All I can think of is Harry somewhere alone, all by himself for five years!" Emmeline confessed tearfully. "I promised Lily I'd look after him but I don't even know what continent he's on!" "Albus didn't tell you?" Minerva questioned in surprise. "He's with Lily's sister!" And Emmeline wouldn't very well leave her unofficial Godson with Petunia for the rest of his childhood...