There's BlackRock self-interest at work, and potential cost savings for the firm and many others, which Fink has spoken about. In recent years, BlackRock has been dragged into political battles, and lawsuits, over its voting of a massive amount of shares held in its funds on ESG issues. "We'd never have to vote on a proxy vote anymore," Fink told CNBC at Davos, referring to "the tax on BlackRock."