More capacity with very similar ballistics to 9mm might make a DA/SA micro compact "9mm" (but in 30 super carry) more feasible. That's the advantage. We still haven't seen a DA/SA micro compact 9mm hit the market yet. If you can't tell, I'm a DA/SA guy.
We still haven't seen a DA/SA micro compact 9mm hit the market yet. Perhaps 30 Super Carry might make a micro compact DA/SA akin to the P365 more feasible. A P365 sized DA/SA chambered in 30 Super Carry - would you buy one?