"I see a factionless man standing on the corner up ahead. He wears ragged brown clothing and skin sags from his jaw. He stares at me, and I stare back at him, unable to look away."
This just shows that they did not made the place a better place for every one. i can tell because the factionless in that time is us like a homeless today.
"To live factionless is not just to live in poverty and discomfort; it is to live divorced from society, separated from the most important thing in life: Community."
In this world no one should be living in poverty it is supposed to be a world were every one lives happy.
"Today is the day of the aptitude test that will show me which of the five factions I belong in. And tomorrow, at the Choosing Ceremony, I will decide on a faction; I will decide the rest of my life; I will decide to stay with my family or abandon them."
In a utopian world every one should be capable of living together and not have to be separated into different sections (factions) in order to be capable of living in a better world.
"If Jeanine can make people believe that my father and all the other Abnegation leaders are corrupt and awful, she has support for whatever revolution she wants tostart, if that’s really her plan."
this is the begining of jeanine's pan she is trying to convinse all of the factions that the Abnegation is bad just to get rid of them imagen what she will say about all the other factions just so that she has all the power.
"Every minute that I waste staring at Peter, thinking about how he haunts my nightmares and the damage he did to me, another dozen Abnegation members die at the hands of the brain-dead Dauntless army."
In a utopian world there should not be war because every one has no anger tower's any one but in this novel there is war between abnegation and erudite, but erudite is using dauntless as there army.