It's not a statement that people shouldn't see fruits of their labor, but that past a certain point, its no longer about the fruits or even the tree, but the power that comes with it. In a democracy, those who get lucky in business are not owed power.
So yeah, billionaires and trillionaires shouldn't exist, because their existence is a side-channel attack on society. Pay enough money and rules don't apply. Past a certain point, that wealth should be heavily scrutinized and audited as if it's nuclear fissile material. Similar to the nuclear material, it can be productive for society, or absolute destruction.
"Creating value" only means something if you can eat a spreadsheet.
And for what it's worth his kids are remarkably well adjusted and nice, if a little bit out of touch about what most people deal with.