You're right, as a younger person I had some people who actually helped me a lot, they weren't the best when it comes to networking, but it we formed some decent relationship that changed our lives. .
There really isn't anything better than having people who makes you better. I think we should strive for that, at all cost. You're right about just letting people who are "unwilling", go. I've had people I just decided to let go, there's no need stressing who is unwilling