What's the point of making something fragile, if you can't use this fact to your advantage, because that would make it anti-fragile? Russia depending entirely

What's the point of making something fragile, if you can't use this fact to your advantage, because that would make it anti-fragile? Russia depending entirely on China in almost every aspect makes Russia super-fragile. Now China dictates prices. And why should those prices be high? Is it really in China's interest to help Russia?