TL;DR An industry's last attempt at relevance, just before its departure might be bad, but do we really care?

The title sounds like click-bate, implying a near-monopoly that will be devastating. Yet, the subtitle clears this up real quick. "Buy two or three more years to figure out how to make money in digital."

Unless this large company can move really really fast, the merger, and the company is already irrelevant. In two or three years social media might be gone, morphed into something else, and the players replaced, absorbed, or even wiped from our memory.