Maybe those born into positions of wealth believe the former, and those not believe in the latter - Hence each believing whatever benefits their ego. Maybe not

Maybe those born into positions of wealth believe the former, and those not believe in the latter - Hence each believing whatever benefits their ego. Maybe not hearing of the former opinion is due to its unpopularity - there are more people not born into wealth after all; This means you are less likely to meet a wealthy person (or be a wealthy person if this increases likelihood of meeting one), and if you did, they would be less likely to tell you of their perspective.