I don't know anyone who actively dislikes Southwest, but I do know people who dislike certain policies:
- Open seating instead of assigned seating. First on the plane = first pick of seats, and you board the plane in order of when you checked in (online or at the counter.) I personally like this, but some people don't.
- Limited amenities. Bring your own entertainment.
- Singing flight attendants. On some flights, the crew giving the safety briefing will "spruce it up" by singing or doing it as dramatic poetry or something. I think it's fun, but some people find it grating.
In Texas, SWA is a favorite of many, many business travelers, not least because of the casual on-board atmosphere and the funny (as in humorous) and good-natured flight attendants. Friday-afternoon flights can be almost like a party.
- Open seating instead of assigned seating. First on the plane = first pick of seats, and you board the plane in order of when you checked in (online or at the counter.) I personally like this, but some people don't.
- Limited amenities. Bring your own entertainment.
- Singing flight attendants. On some flights, the crew giving the safety briefing will "spruce it up" by singing or doing it as dramatic poetry or something. I think it's fun, but some people find it grating.