Goth pop cap bonus should scale through the ages.

The +10 pop cap bonus was made when games used 75 population limit, and it is barely useful in today's world of 200 pop cap.

It should start at the beginning of the game and grow into a meaningful amount by imperial age. This would let Goths save some wood in the early game as well as villager build time giving them a semi unique opening as well as letting them focus less on houses/wood and more on food/gold for rushes.

It could be like +5/+10/+15/+25 or something else, but it would be both a unique bonus with some unique applications and allow a better flood in imp (though arguably they're strong enough in imp already).