I think he means, if you tell somebody that you can't do something that's technically possible, they will find someone who can and will do it.

They did it for the previous administration but refused to do it for her and offered no good alternative. She couldn't fire them and replace them and with someone more capable, so her team found an alternative.

This is exactly how a person who is used to getting shit done would operation. You either break down obstacles or you go around.