Overwhelmed by hordes pumping out low quality “content” day and night and Google’s ever more stringent rules for what makes it to the top of their search pages, many are starting to realize that producing quick, superficial, rehashed content is a massive waste of time.
In order to compete, in order to win, you need to produce something of substance, something of quality. That often means long posts and articles. Sometimes very long.
“Substance” and “quality” aren’t always defined by length, of course. There are plenty of exceptions there.