Yes- they’re not only taking kids young to try and develop, they’re doing the same with coaches and loaning them out to
Fair point, but he's the manager so he's the main person involved in their development overall during their time on loan
A well run club will be asking for regular updates on a loaned player and can probably access their match data. They will also have scouts keeping tabs on them.
The parent club will still have an input with the player and a duty of care around the environment he is in.
It is about getting them competitive game time and experience. Also giving them an appreciation that not all football environments are the same. Put their feet back on the ground.