I call it being realistic. It is unrealistic to believe that all people will be content with some basic status quo. (After all, that's what prompts your premise in the first place!) It is unrealistic to believe that ALL work will be able to be done by machines. Yes, it may indeed be possible to create machines which can do all manner of tasks. However, resources (for creating such machines) are limited, and come at a cost, monetary and environmental. Therefor, it is unrealistic to expect that all manual labor will be replaced by robotic labor.
You call my comments 'negative'. I see them as 'positive', that we will not be obsolete. Philosophers and other alarmists have postulated the demise of societies and mankind for centuries (and millenia). And with each technological advancement, we have expanded opportunities and redefined and expanded the value of the creativity and capacity of the human mind and body. Frankly, your position is just as (if not more) negative!