I love walkability and density as much as the next planner, but there's more to a city than just light rails and density. New Orleans is one of the worst cities when it comes to a lot of things related to infrastructure, and you need a car to get almost everywhere there as well. But at the end of the day, New Orleans overcomes its misgivings by being one of the most vibrant, soulful, and beautiful cities anywhere, despite its sometimes horrible infrastructure.
So cities like Los Angeles, despite being extremely car dependent, still remain as one of my favorites due to the culture, the sheer diversity, and how important the city is to the global economy. I remain optimistic that they will be able to fix their issues as well.