Yeah you mean those ones that run around in 3 horse fields is that the ones you mean?
You thought there were no flat races in the UK in winter FFS youre a know it all who argues for the sake of it.
Jumpouts will assist in getting them to the races sooner than doing your long slow prep, particularly horses that haven't raced(safety of jocks as well a horse that goes from galloping in company with another to a 14 horse field), they also have to go through the gates and get a barrier cert as well, not to mention without jumpouts plenty go to the races and don't know what they are doing. Not the ones you prepare though obviously .