Remember that Russian carrier-based jet that China copied without permission? Those airplanes are crashing, and Russia doesn't seem too broken up about it. The only thing China can copy are wood blocks and rubber bands. When it gets complicated it may look like it, but sure doesn't work like it. So as soon as Trump gets his way and China is prevented from copying high technology, they will decline. So the funny thing is, Biden was right when he said that we don't have to worry about China, he just had the wrong topic. With a barely disguised touch of schadenfreude, Sputnik News delved into the woes of the J-15. "Love for the fourth-generation J-15 jet is seldom shown in Chinese circles," said the Russian news site. "The Asia Times noted that Chinese media has disparaged the plane in numerous ways, including referring to it as a 'flopping fish' for its inability to operate effectively from the Chinese carriers, which launch fixed-wing aircraft under their own power from an inclined ramp on the bow of the ship. The J-15's engines and heavy weight severely limit its ability to operate effectively: at 17.5 tons empty weight, it tops the scales for carrier-based fighters. The US Navy's F-18 workhorse, by comparison, is only 14.5 tons." Many shoppers on eBay and Amazon can attest to what happens when you buy "unlicensed" products, though one can ask how many of these problems began with the original Russian design. In any event, so many J-15s have crashed and burned that China is developing a new carrier jet, the J-31. https://news.yahoo.com/russia-angry-china-stole-copied-020000518.html