How is it not obvious that we shouldn't be burning fossil fuels? Or that we should have mental institutions instead of letting people wander in the street? Easy

How is it not obvious that we shouldn't be burning fossil fuels? Or that we should have mental institutions instead of letting people wander in the street? Easy solutions like this have been obvious for scientists in these fields for decades. You don't have to understand the complexity, just listen to the experts who do in this domain, and they have been hollering the obvious to deaf ears who would prefer a profitable status quo versus a collectively beneficial overhaul of how we do things.