Right. Hence the pump gun's continued relevance in the world of defense. It's easy to set up and it's easy to get into action. "Grab it, pump it, shoot it" is especially useful for people who aren't practicing how to use their semi-auto on a regular basis. Most people do not train regularly with a shotgun, especially those in uniform who actually have them available. So a simple procedure to get the gun into action is crucial. (Or, if you are a police administrator, a complicated procedure that virtually guarantees someone won't have confidence they can use it so they won't even reach for it and potentially hurt themselves or someone else with it is crucial)
The pump is also a little bit faster to get into action than the semi, even with an experienced and trained hand. The pump is just more efficient to run for the first shot as opposed to running the semi's bolt. There was enough confusion on storing them for ready that I did a couple of videos for the JDC facebook to show how to set up for "cruiser ready" (I sometimes call it closet ready or safe ready to make it more relatable to normal earth people) on both platforms:
https://www.facebook.com/62296488121...10033502673224
https://www.facebook.com/62296488121...91764901715823
In class I advise keeping the gun in a ready state that replicated "cruiser ready" with a pump gun as closely as possible. At home I keep my 1301 with a shell on the lifter so it is as simple as running the bolt and I'm ready to go. In Home Defense Shotgun *every* drill we run is run from cruiser ready, requiring setting the gun up for cruiser ready to make that possible. It's done deliberately so that people become familiar with the process. Some of the work in more advance courses is done from a chamber loaded state, but I still spend as much time as I practically can getting people to work from an empty chamber so they get reps charging the gun and setting it up for an empty chamber.
I only get so many supervised reps with clients so I try to get as much value out of that as I can by burning in as many reps as I can that will be close to what they're going to have to do in the worst case scenario in real defensive use.