When I looked into this thread, initially I wanted to react like "Spritual". But later I thought about their objective and really liked it. Good manners and behaviours are indeed lacking among us and I think this aviyan is a good initiative though I do doubt its effectiveness.
@riddle: I dont think your question make any sense and asking for its answer either because what makes a difference whether they are all bahun or something else. Its just an initiative and  there is someone Rajbansi in their committee too.
@magorkhe: And its ridiculous to see magorkhe following you and eventually cursing moaists eventhough you are right to some extent.