"It wasn't a trap," Strange points out, frowning a little. "It was a gift. This is completely a matter of semantics and word choice, but traps are bad. This isn't."

Sure, he still occasionally shocks things when he gets too excited. But that's magic. He's got an idea of how to calm down the shocks and with enough practice, he'll gain control of this like he's gained control over the rest of his magic.