It's case of tunnel vision fueled by greed (or wishful...

It's case of tunnel vision fueled by greed (or wishful thinking). Fixated on the 'payday' but never stops to consider How and When one can reach the goalpost, or in this case, what can go wrong to prevent one from reaching the goalpost (hint, there are many many ways you can lose your money here).

Which, incidentally is how lottery tickets wins people over despite a near zero expected return. Oh, we ARE in the spec end of the market so I suppose the population are generally more pre-disposed to that type of psychology