Genesis Mining: Why does so many people dump money into it???

Ok, i am trying to understand the logic behind using these online cloud mining operations for crypto investing...
Just going over the profit calculators you have to wait tell nearly 200 days to break even, but that is if the diff stayed the same which it doesnt.. the diff seems to be doubling every 100 days roughly... cutting the earnings in half roughly... so after all those estimates on diff changes, it would put the break even point around 1yr out, then the following year you would make 1/6th of the money you invested in that contract...

So could someone explain to me what im missing... it seems people are so tunneled on those calculators and not realizing things change... over time.