when looking at whatToMine, there are at least 5 million Th/s in Myriad-SHA(XMY), why do they mine it when the revenue is almost 0$?

I am trying to understand why these people are mining such a pointless coin when they can mine a good coin. same with Crown(CRW)?

Submitted October 03, 2017 at 08:31AM by Kamakimo http://bit.ly/2g4numn