China's military drills last week were more about propaganda and intimidation than starting a war, but Chinese forces did show how they could react quickly, Taiwan's top security official said on Wednesday. China said it carried out the two days of war games starting Thursday as "punishment" for new President Lai Ching-te's inauguration speech last week, in which he said the two sides of the Taiwan Strait were "not subordinate to each other", which China viewed as a declaration the two are separate countries, Reuters said.