Every year they drag, they fall further behind. You have to start now, because five years from now, you should be running full speed, not acting like you're just starting.
At this moment, Chinese automakers appear to have a clear and focused vision where they want to be in 2025, then 2030, whereas the Japanese automakers don't seem to be. The drag why the Japanese automakers are not as willing to commit, is because they would have to lay off so many workers because EVs are so much simpler to produce and use far less parts. Chinese automakers do not have this baggage. While China has an auto industry, its not like this industry accounts for vital segment of the employment and manufacturing as it does for Japan, Germany, the US and S. Korea.
We know how quickly established brands can fall --- GM's brands, Ford, Chrysler, Nokia, Blockbuster, Blackberry, Kodak, Xerox --- in the face of industrial disruption.