Once they reach that point, there is no more excitement and enjoyment withers.

Then the newly constructed ships don't get used, and the circulation stops...

In reality, they should dismantle those to make a hole on the packed surface to make room for others to fill.

But their MINDS are just not capable of making such decisions.

...That is why we must sink them.

and in doing so, the stimulating experience returns... and they once again feel the joy of being alive.

Bubble bubble