Editing Help?? Tips, Suggestions neeeded?? 10pts best answer!?

Question

I think im sounding very repetitive here..what can i add/take out to make it sound better??? How can i make it stronger??

Examples/suggestions welcomed..please and thank you!

Radical individualism places the rights of the individual over those of society, rather than considering the good to society over the rights of the individual. People in this state of mind tend to neglect their responsibilities as a citizen often adapting the “what’s in it for me?” attitude. Their concern quickly become fixated on material and economic advancement, disregarding…(What can I place here without sounding repetitive???)

Radical Individualism leads one to isolate themselves from society ,such individualism without corresponding community, at times is a recipe for disaster.

Answer 1

their neighbours, nation, and/or morals.

ps   their concern quickly become(s)  

-- I believe is the proper tense to go with.......

Answer 2

How about

"the rights, feelings and any ideas for the common good in society".