Every company has to make profit and the are inherent risks that need to be considered
Take Gold Mining for example, there are costs there too and if it becomes too costly to extract that they may well close the mine.
Its the same with Genesis
I have been mining with Genesis Contracts since Nov 2016 and so have many of my friends, some are making full time incomes from it
None have any voided contracts, Bitcoin Mining Contracts are highly profitable so don't understand this post at all
When did the poster start mining his Bitcoin ?