With all that said, here's the good news for the consumer. More than anything else, what the robo-advisor discussion will continue to do is make everyone—fund sponsors and financial advisors alike—ask themselves how they justify their role in the investment process.
The millennial generation, which is overall pretty investment-savvy, should be the biggest consumers of these robo-advisor services.
But that's a ways off, to be sure. Typical retirees today do not have the skills or confidence to make these money decisions on their own. They will not confidently fill out some online forms and ship off their life savings to a robo-advisor.
Read MoreWinning millennial mindshare
It's just not going to happen.
The bottom line is that the robo-advisor movement will not make everyone better off; it will just make some more better off than others. With that said, I'm pretty confident the robo-advisor model will not be putting anyone out of business anytime soon.
—By Nathan Bachrach, CEO of Simply Money