They do offer their T-Satellite service which uses Starlink. It only works with supported mobile devices (not home Internet) and is additional to your regular plan.
T-Mobile is honestly one of the easiest cell operators to deal with in my experience. I would take them over AT&T any day.
Some of us do teach our kids and they just don't care, I guess. My oldest (17) has had a smartphone for a few years. She knows what not to do on social media. Does it anyway. That pretty well tracks with the rest of her (mostly) poor decisions. What can I say? She's ...Consistent. 🤷♂️