I don't know about how Western people think about life, but I'm an Asian irl. Maybe I'm not idealistic enough to understand the idealistic Trek's Earth Society like the other's do. Because what I know is a workable society and a not workable one. And I believe that the Trek's idealistic Earth Society is not workable. Because it would cause stagnation to the Human society. Without competition, how would humanity improve?
I'm Asian also, but I believe that Trek's idealistic Earth Society is doable, it just will take alot of work, many decades or centuries of education, and probably alot of blood shed between people in power and those not in power.
I think it can happen, just not easily. Breaking away the current socio economic / education mindset will take a long time to do, but it'll have to start at some point.