Girls on HBO is either the hottest highly anticipated show on TV with genius writing that ironically and realistically captures a certain 20-something experience in New York City today and is the brainchild of the triple-threat (writer, director, actor) Lena Dunham; or it is a lark for a homogeneous set, reflecting a narrow subsection of the world with unlikable characters played by daughters of privilege. Or maybe it's both. Either way, it's fun and entertaining and…