How many times do they reload those cases? A lot of the folks I know reload pistol cases (straight walled) many, many times.
Couldn't tell you a number, but generally until the primer pocket gets loose. The one guy I follow anneals and trims every time. I've begun doing much the same and have only had the pockets get loose with hot rounds. I reload .223 and a .223-6mm wildcat and get about ten or so reloads.