There are a number of advantages to revolvers. They are simpler to clean and maintain, for one thing. Autoloaders have springs and other parts that wear out - not so revolvers. Revolvers are less prone to jams. You don't have to chase down ejected brass (a very nice feature if plinking in the brush as opposed to a firing range). Revolvers give you more choice on things like barrel length. You can get anywhere from 3 inch to 9 inch barrel on a .357 magnum. Can't get that choice on an autoloader.
When it comes to the more powerful handgun, like the magnums, the revolvers can be made significantly smaller and lighter. A .357 magnum snub nose is still a decent size for CCW. A .357 magnum autoloader is going to make a noticeable lump under anything except full arctic gear.
Unless you LIKE being able to rapid fire 11-13 rounds and quickly reload for another set, (and it IS admittedly fun to be able to do so) there is no real practical advantage to the autoloader. As such, IMO, owning an autoloader is more due to "cool factor" than is owning a revolver.