No.

Phobos, where it is, is one of the greatest resources in the Solar System. We can mine the whole thing until there is nothing left, or turn it into an O'Neil space station with a clear conscience, since it will be gone soon anyway, on a geological time scale.

Once we master space-based mining, we can turn Phobos into a fleet of spaceships, or a vast array of silicon solar panels to beam space-based power to Mars, or make mirrors to reflect sunlight onto Mars, to warm the planet to Earth-like temperatures.