That's right, this is not about making a witch hunt (you would not expect economists to do that, I think). But if you think about, let's say, competing aspects

That's right, this is not about making a witch hunt (you would not expect economists to do that, I think). But if you think about, let's say, competing aspects or strategies for money management... I think a point can be made that one is more beneficial to society at large than the other. So, it is the same rich people at the end, but maybe you want to incentivize them to put investments in ventures that actually do something, and to tax the arbitraging away.