I get what you're saying, and I am genuinely happy for you that that's the case. I have one teen who is the same, and one who isn't. Neurodiversity plays a role, as does personality - I remember feeling that way when I was young, for example, because I now know I am autistic and have hyper-empathy and a dread fear of getting it 'wrong', even and perhaps more so with the people I love, which is part of how my autistic brain works.
Are you being critical of parents whose kids might feel like that? I can't quite tell, perhaps not.
But, if you were: me and my DH have done so much to work on our relationships with our kids, we use our words, we reach out everyday, we find ways to connect, even when our kids push back, and we don't take it personally or make it about us. And my kids are thoughtful and deeply loving.
But they can also feel nervous and awkward.
I love them for who they are, and all that they are. They're OK to feel like that, and it's not a reflection of my parenting (and believe me, I have done a lot of soul-searching on that), and nor is it a 'fault' of theirs. It's just who they are.
We don't all have to be the same. Again, that's the joy of being human - we're all different, and so I read that advert as bloody lovely and you see it otherwise. That's OK, isn't it?