The ability for young children to recognize hypocrisy is incredible, and the aptitude among teenagers to leverage hypocrisy to enable their own bad behaviour and use yours against you isn’t something worth contending with. You can only win by force, and your kids will resent the hell out of you for it. And for what? To look at your phone more?
Do any of us find ways to use our phones in worthwhile ways more than 15m in a day, truthfully? I sure as hell don’t. But I can sink a lot more time than that if I don’t think about what I’m doing.