“A less negative view of the galaxy”
this, imo, is a great aspiration
I think I understand what you mean about the feeling that a significant proportion of the adult population are not good people

. Maybe try reframing that, some of those who appear not to be good people are struggling people, struggling to survive or thrive. A therapist irl (quite a while ago) said I had “too many defences” ...

.. what does that mean? Did it mean she found me “too difficult” to understand? Did it mean I was “too resistant” to what she was trying to do in the therapy. I do not think she was a “bad” person.. I didn’t get to know her. “good” or “bad”..
One thing I find helps me personally sometimes is finding the “grey” in people. Even if someone appears to be ...? They probably have some or more “redeeming qualities”..
I hope some of this is helpful or relevant, if not that is ok too
Love and respect to all sentient beings