I am not totally sure why hero times and army build times need to be "in sync" to begin with. Using heroes is extremely important and waiting 50 minutes for them seems reasonable. You can build whatever armies you'd like within that time and attack without heroes - your choice. Having different times for different things results in players needing to make this choice. Can you go without your heroes, is it worth the shield reduction, will another army be cooked in time for the heroes regen? I think it's a perfectly reasonable strategic component.
I have a lv45 aq. I feel the pain. I also work around it.

