Do you know Max Keizer? Check https://www.publish0x.com/coinbuzz/he-predicts-death-altcoins-and-hard-forks-xmmode ¿Do you think quality of altcoins projects that have emerged in recent times has improved? 
I think because of the IEO model for investment. The quality of projects has also grown. Since there are too many competitors. And for this reason, projects often release MVP before conducting IEO.