Chan is Asian, btw... and Rodgers despite hanging out with him apparently would go on about "Asian guys" and what's wrong with them, why women shouldn't be into them, etc. He didn't like seeing white women with blacks or Asians and posted racist comments on online forums. Yet he was still talking to Chan and others to the degree they wanted to help him....Much of Rodger’s loneliness was of his own making, said Chan, who’d been his friend for more than two years.
“Me and my friends tried to help him,” Chan told ABC News. “He doesn’t like to talk or hang out.”
The sullen loner was depressing to be around when he did join the guys, and his complaints were often the same.
“He asked why the world is unfair to him. ‘I’m a good looking guy. Why do girls like ugly, fat guys?’” Chan told ABC News. “I told him appearance wasn't everything.”
My impression is that Rodgers was highly resistant to changing his ways of viewing the world. Chan says they tried to encourage him, help him ease up, take things more in stride, but he didn't want to change. We can imagine he had an inability to form emotional bonds, but at some point people make choices of how they want to face pain, loss, adversity, anxiety, and other negative experiences and emotions.
The huge majority of people do not go down the road that Rodgers chose; if he had been willing for even a moment to entertain a more positive possibility in his life, he could have had a different outcome. But even when people in his life TRIED to give him a glimpse of those possibilities, it seems like he utterly refused to look or consider them. He didn't WANT a better outcome. The only two outcomes he would accept was to either have what he wanted or hurt those who refused him. But it's not like he didn't have people who were trying.