This seems implausible precisely because it’s the crowded view. But can anyone recall a time that the crowd correctly predicted the ascent of an unpopular product or the descent of a popular one? I’m old enough to remember Yahoo’s rise and fall. There was a time people thought Zuckerberg was a greedy fool for turning down a $1 billion bid from Yahoo. Oh yeah did we forget about that? Yahoo failed because they were ou…
The worst part is that Yahoo innovated a lot ... In incubators, side projects, etc ... But they failed to bring their innovations to their main products, or to turn their side things into full blown products.
They had no plan, neither overall or per product.
Take emails for exemple, for the longest time (and still now, although not as dominating) THE key to user identity on the internet. Google had a plan to leverage their Gmail userbase and integrated it, Microsoft took its time but they ultimately had a plan to leverage their hotmail userbase, but Yahoo sat on yahoo mails (one of the "big three" of emails basically) for the longest time and did ... Nothing.
Same with flickr, they had people who loved the platform and begged them to take their money and move the product forward as a paid product and instead they let it rot for years. Lots of yahoo properties are like that. It's not that they tried something crazy and it failed, it's not that they got beat by a new comer, they just let their stuff die on their own. Pictures is now even more relevant than ever, and Yahoo should have been at the forefront and yet they let themselves be sidelined by doing nothing.
The best non-yahoo similarity I can find is what Google is doing with Blogger.