As they launch more, there will be more launch failure, this is true for China as well.Yeah, japan can keep their launches to zero better over the years then it can claim their success rate is 100%, thats great. Just as Japanese often claim their HSR is safer than Chinese HSR supposedly with better accident number records while they conveniently ignore the fact that Chinese HSR is almost 20 times the scale of Japan or at least more than 10 times for many years.
And I know there's a lot of competition in these fields in both countries, but what they said about the HSR safety record is true, Japan hasn't had a major HSR incident, while China has at least 2 (Wenzhou and this year with the train conductor during heavy rain).