>But generally nobody pays quants to lose money. They expect value over the other opportunities they have to use that same money. Is this really controversial?
As with your other comment, this has nothing to do with what the original parent comment was remarking on. They didn't claim, nor did anyone else, that proprietary trading firms weren't making money and that people weren't well compensated due to helping firms make money. Their remark was that the value these firms are providing to society is questionable and that the highly intelligent employees could likely be providing greater value to society elsewhere.
As with your other comment, this has nothing to do with what the original parent comment was remarking on. They didn't claim, nor did anyone else, that proprietary trading firms weren't making money and that people weren't well compensated due to helping firms make money. Their remark was that the value these firms are providing to society is questionable and that the highly intelligent employees could likely be providing greater value to society elsewhere.