Ostensibly, but really it's hard to look at it and not conclude that it's simply to ensure the rich don't have to pay taxes. What do people imagine rich people

Ostensibly, but really it's hard to look at it and not conclude that it's simply to ensure the rich don't have to pay taxes. What do people imagine rich people would do with their money instead, if capital gains were taxed like income? Stuff it their madrasses, and be at the mercy of inflation? Probably not.