Idiot. And of course you cannot break an Ipad by gently tapping it on the table
She can try and talk her way out of it all she wants, she lost control and smashed their stuff. To 'teach them, a lesson' I totally get, but you would just take them off them and maybe give them to someone else..or keep them out of view. Not smash them. So yeah, she got violent infront of her kids, which is not good and nothing to basically brag about.