As others have pointed out, you can read a lot about the subject of part of your post by searching. I encourage you to do so.
In a nutshell, most people that OC will respond that they use a retention holster of some sort and/or have retention training. More of the of the former than the latter. And most of use highly encourage both retention/FOF training as well as retention holsters for OC.
That said, while you will find folks here that agree with you on your desire to prohibit *some* people from carrying you will see more folks taking the self defense is a basic human right angle. Personally, If I see someone at the range that I do not feel comfortable with carrying a gun I encourage them to seek training or offer to help them myself. Politely and usually without their knowledge *why* I am offering.
I personally believe that everyone has the right to self defense, which means they have the right to be armed. Period. With freedom comes risks and responsibilities. I accept the risks and take every opportunity to remind people of their responsibilities (safety) in hopes it reduces the risks.
Lastly.... Welcome to PAFOA
