American Airlines sued for $5MM (class action) for not refunding baggage fee

For all the people saying Southwest is the best, I have to disagree, slightly.
While I enjoy their service and higher chances of getting you to your destination on time, I have noticed that their flights, other than short direct flights, are much more expensive than say, a Delta airlines, baggage fees included.
I fly twice a month at least to Louisville, from New Orleans, and after flying for several months on Southwest, I realized even if I check in two bags on Delta, my cost was still lower.
Just one example.