It’s easy to say this in hindsight, though this is the first time I think I’ve seen someone say that about YouTube even though I’ve seen it about Instagram and WhatsApp a lot.
The YouTube deal was a lot earlier than Instagram, 2006. Google was way smaller than now. iPhone wasn’t announced. And it wasn’t two social networks merging.
Very hard to see how regulators could have the clairvoyance to see into this specific future and its counter-factual.