[2arrs2ells]

The idea behind lower cap gains/dividend taxes is to incentivize investment (over consumption or savings). I'm no expert with the economics literature here, but I would worry about making changes that make it harder for businesses to access capital.

[loewenskind]

You don't have to throw the dice and hope, you can go look at most of the other 1st world countries that don't have this and how they're doing. Hint: just fine.