I'm a millennial. I don't want any kind of suburb. I refuse to live anywhere that isn't well-connected/dense enough to provide a good lifestyle completely car-free (i.e. all travel is quick, ubiquitous and convenient on foot/bike/public transportation). I do not ever wish to drive and this is not possible in any suburban development.
Out of curiosity, do you have kids? It's mighty convenient to have a car with all the stuff in it and plenty of space to park that car nearby, and also lots of space for the kids to play outside.
The only reason I drove anywhere with my son was because our region wasn't easily walk-able. That, and travel sports (though if the immediate area was walkable, that would have been reduced to weekend games).
He's since moved out, and we've traded our single-family for a TH in a denser area (though still suburban). I walk to work, walk to the park, have access to many trails, and only drive on the weekends to run errands. It was more QOL-improving than I ever imagined.
Anyway, I've grown to hate suburban sprawl. I find dense suburb packed around transit to be much better from a QOL perspective.