Since coinmarketcap changed its algorithms it makes little sense to try and fake the data that much, so putting an end to the volume race ..or should I call it farce...

How the hell would you lose 98,2 % of the volume in a month?

Almost forgot about the recent changes in coinmarketcap.

This is definitely one of the factors. There were so many shit exchanges faking volume and it looked like coinmarketcap's way of ranking them back then lead to more and more of that practice.