I personally abhor "academic" writing. I agree with clear and concise. I don't agree with boring. Even academics are human (purportedly) so using something like "its days were numbered" makes for far more interesting reading.

I do business writing for a living, and we're business-to-business (so I"m not writing for the general consumer). I use fragments deliberately, I use a conversational tone, and I'd consider using something like "days were numbered" instead of "it was clear that it would soon no longer be in existence."