Giving back is typically done by successful people at the end of their careers and revolves around mentoring younger people who aspire to succeed by passing down and transferring the know how and wisdom yo the next generation
The left uses the concept of “ giving back” to support their agenda and recruit talented people to support-obsession their agenda and feel good about themselves by engaging in well intentioned, politically correct but essentially irrelevant and ineffective projects that constitute noble gestures that do little to solve world problems.
Its kind of like the Russian Czar era Potemkin villages applied to charity
They are the secular version of the "Pharisees."