Short answer is, of course, no.
Is Fred really at all likable? We're assured that he grows.
Do Rosamund or Casubon have the capacity for compassion?
Is Sir James expressing true compassion for Dorothea when he insists that someone do something to stop her marriage to Casaubon?
What does Lydgate really feel for Rosamund? Lydgate doesn't think much of Dorothea at first.
Nice comment--"Kind of in love with the narrator . . . All the characters are flawed, but we are all flawed"