I'm curious if anyone can quantify the creation of new financial products and compare against GDP growth? My recollection is post 2008 many economists were con

I'm curious if anyone can quantify the creation of new financial products and compare against GDP growth? My recollection is post 2008 many economists were concluding that the hyper financialization of the economy was a detriment and was not actually creating long term value. Curious if ICO's, SPACs are as a result of loosening regulatory appetite as the political winds have changed and memories of pre-2008 start to recede.