nope
By extension, this means that the most important factor determining success is the user experience: the best distributors / aggregators / market-makers win by providing the best experience, which earns them the most consumers / users, which attracts the most suppliers, which enhances the user experience in a virtuous cycle.
Ben Thompson
stratechery.com
adobe.com/enterprise/pdfs/Forrester_Best_Prac_In_User_Exp.pdf
So, the best-selling premium WordPress Themes kind of suck ....
For every 1 second that the page takes to load, there is a 65% increase in bounce rate.