In contrast to the parent post: When I was an undergrad, I interviewed at a then-very small, now-very-prestigious quant firm. In the last interview or so, I as

In contrast to the parent post: When I was an undergrad, I interviewed at a then-very small, now-very-prestigious quant firm. In the last interview or so, I asked the quant head something like, “but what value do you provide to society?” He said, “we provide liquidity.” I turned down the job they later offered and went to work at a software company that sells a thing people buy.