[jilebedev]

That's a lot of words from both authors to say: nobody actually cares about "you". They only care about what they can get from you.

That can be horrifically depressing or pragmatic and inspiring: the emotional reaction is irrelevant, it is the truth.

[mattm]

I wouldn't go so far as to say "nobody." There can be a small number of people that genuinely care about you. Most people won't. But that's what makes that small number of people special.