Once you are established, the length of cooldown is not the limiting factor when it comes to breeding; it’s the number of nests a player has. I have went a year hatching a nest a day and never in that time did I run out of RTB dragons. The times might seem long when you start out but once you get more established you'll often feel like a particular pair just got off a nest.
We've had the lair cap rise a few times. Initially it was 99. The lair expansion costs are high because they are necessary as treasure sink. You need treasure sinks because they help the treasure keep its value. If more treasure is added to the game than removed, it devaluates the worth of each individual treasure. Yes players might have a lot of treasure in such a situation but it will cost a lot more to buy things. People complain about restockers with new items, if the treasure devaluates, you'd see restocking for more than marketplace prices just about everything.
We've had the lair cap rise a few times. Initially it was 99. The lair expansion costs are high because they are necessary as treasure sink. You need treasure sinks because they help the treasure keep its value. If more treasure is added to the game than removed, it devaluates the worth of each individual treasure. Yes players might have a lot of treasure in such a situation but it will cost a lot more to buy things. People complain about restockers with new items, if the treasure devaluates, you'd see restocking for more than marketplace prices just about everything.