Ah this business is always been scam since the start of 2016-2017 period. The network difficulty has driven the miners very crazy and they are not able to compete the market unless and until they will have bug mining facility with proper set up. Mining is not profitable as long as miners don’t look after it with serious notes. The coins are getting costly and with the increased rate of coin it gets even difficult for these cloud miners to pay on the daily basis. It’s simple fact, if they are earning abc profits on one day and the rates are dropped dramatically on the second day then they loose the value and can’t really pay for things which has to be paid in the form of fiat currency such as maintenance guys, team behind it, electricity etc. so that’s why they are not profitable to us at least.