They're the walking dead because they pursued scale over innovation. Once they had achieved scale, they found themselves with too much momentum to innovate. So because they couldn't innovate, they built an army of consultants to hawk their wares to customers who also valued scale. But that consulting business never really took off because its existence was predicated on a model of dumping obsolete (but "enterprisey"!…
What would be your opinion on Oracle? I find it strange that the Author didn't include Oracle in the title although he talks about it at some length in the article body.
Oracle doesn't do this; the bulk of their value comes from software that is much more difficult to replicate.