Mostly with new women shooters that are in the process of getting a permit.
They are simple and basically fool proof. No safetys to remember, no magazines to be seated, no fingernails breaking on slides that need to be racked. Get one in stainless and you wont have to worry so much about melted chocolate bars, spilled perfume or oozing chapstick on the purse.
Even so, the smaller ones that are easy to conceal...did they really ever lose popularity? There are more to choose from today, then there ever has been.