Btw., projections are just that - projections and I am not sure Acemoglu proved things mathematical (as in a mathematical proof) but rather within the context of a model/assumptions.
That financial markets/innovation can outpace the actual innovation is also not some new insight, but that alone doesn't necessarily make for a useful prediction.
That bubble was also manufactured by reckless financial engineers.
And those who warned early were ridiculed:
https://markets.businessinsider.com/news/stocks/who-is-nouri...
"When he spoke of an impending housing crash at the International Monetary Fund that year, the audience chuckled, the New York Times reported."
'"He sounded like a madman in 2006," IMF economist Prakash Loungani told the Times, after inviting Roubini to the IMF conference that year. "He was a prophet when he returned in 2007."'
Not everyone who spoke about house price risk was ridiculed, btw.
It seems unambiguous in this context.