Society is one for all and all for one. This is how: ecosystems, animal bodies, organs, cells, countries, families, everything works.
What you're proposing beachbum is every man for himself, which is essentially pre-neolithic earth.
Poor people are still starving even though we have welfare path
Homeless people are starving. The majority of poor people are able to afford cheap food, such as arizona, mcdonalds and other food items, partially because of welfare. A lot of poor people also work and receive welfare to support their family. Homeless people, who are usually not even eligible for welfare, are starving
This doesn't mean that being poor is a good thing. It just means that most people below the poverty line are able to keep themselves alive on a day to day basis, thanks to mere pennies from everyone else in the country