The point is that, there are no downsides to double-blind peer review, and it is hence possible that with double blind peer review, less well-known people might

The point is that, there are no downsides to double-blind peer review, and it is hence possible that with double blind peer review, less well-known people might get more journal articles. This might lead to more diverse research techniques being used since you don't need a big name to publish anymore. And then, in a few years, you might find it hard to guess the groups from techniques, because a single group might have multiple different techniques.