I am sure that Baltimore will always have a loud vociferous fan base when the Jets come to town. I am surprised that nobody has pointed out that it was the Jets who degraded, embarased and otherwise humiliated their entire city in 1969 which ultimately led to their owner skipping out in rented u-hauls in the middle of the night.
You obviously haven't been to a playoff game, it is loud and crazy and a ton of fun. Unfortunately we don't have too many of those in our stadium so it's tough to compare. The Jets are always rebuilding and the Ravens have been contenders for a decade. That's the difference. You also have to remember that there is no hockey team, no basketball team, and a perennial last place baseball team so if you are a sports fan in that town there is only one thing to get excited about. Go to an Orioles game and see how much fun they are having.