Gaia is just an extension of the desire for comfort and security extended to an entire planet. What’s wrong with that?” “What’s wrong with that,” said Trevize, “is that my house or my ship is engineered to suit me. I am not engineered to suit it. If I were part of Gaia, then no matter how ideally the planet was devised to suit me, I would be greatly disturbed over the fact that I was also being devised to suit it.