Are you kidding? It's a perfect rhyme: Pub. Sub. Hub. Bub. It distinguishes it as a specific standardized implementation of the PubSub architectural pattern.

Are you kidding? It's a perfect rhyme: Pub. Sub. Hub. Bub. It distinguishes it as a specific standardized implementation of the PubSub architectural pattern. It's no worse than Aitch. Tee. Tee. Pee. Or Doubleyou. Doubleyou. Doubleyou.