I agree with what your saying. As they optimise more and more, they "fly closer to the sun". That would be ok as long as the models/sim tools were accurate, but

I agree with what your saying. As they optimise more and more, they "fly closer to the sun". That would be ok as long as the models/sim tools were accurate, but as you say they are not so much, which means there is not as much room for error.