There's always the other side of the story for each of those parasites. There are poor people but they're not parasites that are opposites to the description that you've given.
There are also rich people who are not parasites and they're living normally and want to contribute and opposites the description that you've given.
The sad truth is that there really are people that don't want to contribute to the economy and going up of a country. They're as is what it is with their living.