But then a lucrative business of selling upvotes would be created for people willing to pay (usually businesses) to promote their content. And that's SEO all ov

But then a lucrative business of selling upvotes would be created for people willing to pay (usually businesses) to promote their content. And that's SEO all over again. I initially believed the "O" in SEO was misleading, as this kind of promotion is not optimisation (at least not for everybody), It turns out it's another letter that's misleading: "S" should be for Sales, not Search.