Maybe, IDK.
Possibilities:
A. CC licensees have gotten over the initial excitement over carrying their 1911 or Glock and discovered pocket revolvers are incredibly easy to carry, and pretty much all they need. With that, some have discovered the wonderful world of revolvers.
B. The market is saturated with polymer wunder-pistoles, and manufacturers are looking for new markets.
C. The flip side of B, some enthusiasts are bored with bottom feeders.
D. Some manufacturers know they’re not going to make any inroads into the Glock, S&W, or SA market share, and looking to offer something different.