Been enjoying the various threads and videos on reloading but I'm curious as to the issues with the factory loading process that makes it so easily improved upon by home loading? I understand that the appeal of reloading for some is that it gives endless opportunities to tinker and tailor a load that is perfect for your particular rifle and gives best possible accuracy. However, the accepted truth seems to be that starting with almost any of the published loads prepared using the most straightforward home loading kit (i.e. not some exotic cocktail of powders prep'd using every gadget going) will still be expected to quickly deliver measurably better accuracy than factory equivalents.
That suggests that even before you get to fine tuning and multiple testing cycles there is something fundamental in the physical process of loading rounds that is not being executed as well in the factory as it can be at home with basic kit an a steady hand. Having watched the demos on this site and youtube I was actually surprised at how mechanically simple a process it is - even more so in a factory environment where preparation of fired cases is not required - and something I'd have thought could be easily, accurately and repeatably automated using modern production line technology. Obviously not though!