why do you think it is that those that are in dire need of oppertunities blow them with the lack of work ethics while those in first world countries are willing

why do you think it is that those that are in dire need of oppertunities blow them with the lack of work ethics while those in first world countries are willing to work long hours to get even richer? Is it really greed and/or keeping up with the joneses? At the expense of free time?