You are right about this line.
"People tend to spend a hell of a lot of time worrying about what other people are doing and who they are loving when perhaps they should be thinking a bit less about them and a bit more about who they themselves are loving and, how they are loving them.
" that is what majority of people are wasting their time on
They waste their time on many things these days without spending their time on what is actually important, their own development. Develop well and one becomes useful to more than oneself, develop poorly and one is a burden.