It may very well be low self-esteem. People need to stop feeling so damned sorry for themselves and look at the really awesome person inside them, and respect them, and love them. And if they don't, do what's in their power to change what they want to.
This is an opinion and just an opinion:
I think is the other way around. What do I mean?
Well, the last 50 years, our parents told us: You are unique, you are special, and wonderfull... Why?
I am just another dude, there is nothing special about me and we sooner or later will find out. I am not awesome, no one here is awesome. We are just people.
The problem is the comparison, we see people we think are "awesome": We see famous and rich people and we think they are "awesome" then we see our selves with our "ordinary" lives... not awesome.
But, Bill gates aint awesome, he is a weirdo megalomaniac, yes he has talent for business and computers... but is lacking in other areas.
Elon musk... a semi autistic prick.
Gal gadot: she is atractive, rich, good actor and a total creep.
Look how all those hollywood stars are fucked up in the head.
So who is awesome? Sthepen king the alcoholic drug addict?
JK rawlings and her unestable political and social views? a few years have some principles the next a few others.
They are just people, some got lucky, some are talented in some area, some are worked hard and sacrificed everything else.
No one is awesome, there is no shinning light insede anyone just a bunch of gray walls.
And that is ok. Low self steem does not comes from not loving "yourself" comes from loving others more than yourself couse you really see yourself inside and say "hey, this guy is not awesome" "He is no like X over there" the truth is X is as fucked up as you are inside... just with more money.
I am not awesome, but maybe one day i will write something awesome... that would be awesome.