This will most certainly affect a lot of people. I don't know what some of you consider "low level players", but I play on Elycsander, and in Chapter 4, have a level 7 GA, and stayed within GL zone. I used all of my space, upgraded all of my buildings as much as I can, and maxed out my working population - I am using 11,903 of 11960 population. My GA gives 1060 population right now. Under the new GA (assuming my math is correct), I would only get 531.52125 population (531 if rounded down).
See what that would do to me? I would lose 529 population, and I would be -472 population! In order to get the equivalent population from my GA, I would need to have 21744 working population ... I would almost have to DOUBLE my working population. Thats insane. I would like to consider myself a mid-level player, and not low level -- so assuming that only chapters 1-3 players will be affected is crazy.
In order to get to that amount of working population I would need 10844 more population, or 26 more level 15 houses ... at 9 squares per space for a level 15 house, that's 10 more expansions I would need, not including roads I would need.
Oh but wait, I'm not supposed to over explore! And oh yes, I was told that AW would be awesome now and to build and use them! And yes, I know I could "regain" my -472 population by adding a couple level 15 houses, but the point is that this update to "improve AWs" would make mine MUCH less useful.