someone paid for those miners! 
LOL
LOL
yeah there are always some people who have no use for their money :facepalm:
just have a look at their website and their "miners"
https://wminers.com/
https://i.imgur.com/YwJNmlam.jpg
why not 500.000 th Actually, ASIC for Monero - that's the funniest part of the picture