It made a lot more sense to talk about 'boomers' which was (and still is) a large demographic bulge. It worked so well that people got used to the idea that the

It made a lot more sense to talk about 'boomers' which was (and still is) a large demographic bulge. It worked so well that people got used to the idea that there should be a term for each successive generation. But obviously it's been extended beyond meaningful utility.