Basically you are right dbuk from 'agressive' point of view ))) but you may be missing one important thing for IA - building times. Maximizing your attack may take you let's say 2 months... It is very alike global age will appear till than when you'll have to pay or spend another 3 months for attack maxing out. All these 5 months you will have some low level defenses, etc sacraficing it all... to a stronger walls in the end result. I am able to build level 10 walls with no stress, looting 2m per training blessing at 1700 medals with just EA army. I'll be able to increase it with just a couple of IA upgrades and higher league. After that I am going to finish short to built defences and build all new buildings available for IA. At least this is my plan. This approach will give me better defence for long period and I could meet more affordable walls too, while my sacrafice on loot speed will be minimal. It's just another, more balanced way imo