Earlier quoted context omitted.
> The way we measure success is different. The history of the web is littered with companies that had a big exit and died/became-irrelevant. Given a long enough timeline every companies dies or they pivot so extreme that they resemble nothing that they were to begin with.
That might be true but it's a very nihilistic way to look at things. I believe SO had many more successful years ahead of it but decisions taken by the company and moderators sped that process up.
The end game of successful businesses is to become a conglomerate of sorts. Once a company owns enough brands/products across enough markets, they can shed the under-performers and expand into new segments and industries.