It is, very simply, a unique cartridge (in-an-of-itself) that makes a superior defensive combination (cartridge/pistol) in the right hands. I find it to be a pistolero's cartridge, which is not for the average Joe. That said, those that love the .357 do, those that don't, ....don't, like anything else. It fit my needs in a back up role (Glock 33) and now that I have a Sig 226 Elite in that caliber, it will be used in an open carry position, when I am in uniform and on my way to court.
No pistol cartridge is a "death ray" but thanks to the bullet types and calibers of today, we are much better served by them today, than many years ago.
The Glock 33 replaced my SP101, effectively doubling my available ammunition. With Galco's ankle safe on my other ankle, I carry three extra magazines, for a total of 37...357 Sig rounds. The polymer magazines don't weigh much and I have always worn something on my ankle so it doesn't bother me a bit. When off duty, I have that many rounds available in the lightest possible package,... sight unseen.
If you remember the off duty officer that came across a shooter in a mall years ago who almost ran out of ammunition until the troops arrived, that is why I chose the Glock 33.
To each his own.
TAKJR