Um, yes. China already has been hacking US computers for years. They hacked at least 30 major US companies, the FDIC, OPM, top national security and trade officials.
Nobody likes Jared Kushner in the first place, and certainly wouldn't be filled with outrage if some corruption from him was exposed. Kind of revealing that you thought that was a "gotcha", and it's strange that you consider China "we".
Your own article says it doesn't know what they were looking for or found in these hacks, and you assume it's to "help the Trump campaign" without saying how, but you seem really concerned about what could be uncovered. Security raids are not uncommon on companies in Ukraine, and in fact is how the 2nd richest guy in the country initially got rich years ago. Burisma is a corrupt company with a ton of money and shady ties, but some us can still appreciate the humor in CNN trying to resurrect the "Russia collusion" shit that chewed up years of their network.