They don't have to make risky investments in these companies. They could collect the deposits and provide them to betterment/wealthfront, while they split the f

They don't have to make risky investments in these companies. They could collect the deposits and provide them to betterment/wealthfront, while they split the fees. The robo-advisors could cut their acquisition team and focus on the algorithms and the small banks could cut their advisor staff. It's basic synergy. It's a risk free method for partnering small banks with innovative companies.