Anyone else find the concept a little weird? NPR is already like this in many ways (heavily left-leaning) so this argument is already somewhat moot, but: hearing news stories tailored just for me sounds ignorant. News shouldn't be a thing which I am allowed to filter based on my biases.
NPR's news segments are top notch journalism. You'd be hard-pressed to find another media institution as large as NPR in the US that does nearly as good of a job in my opinion.