The most useful aspect of promoting identity politics that London does not make clear is its ability to distract subjects of the capitalist ruling class away from any class analysis or class identification. And a further (to our masters') benefit, which he alludes to, is that it fosters competition between groups over opportunities to serve the ruling capitalist class.
Identity politics has become a key mechanism through which the next 9 percent situated below the top 1 percent advances its grievances within the political establishment, fighting for “space” in the universities, trade unions, political parties, state apparatus, and corporate media. This layer, which forms a principal social base for the Democratic Party, is generally pro-war and supportive of the right-wing policies that have produced a soaring stock market.