A widely-held misconception among Dragon Ball fans is the belief that its protagonist, Son Goku, always saves the day. While this may very well be true for the original Dragon Ball Z movies (most of them anyway), it’s far from the case when it comes to the original manga and the media franchise as a whole. Goku wins a lot, but he doesn’t win all the time.
Source:https://www.cbr.com/dragon-ball-characters-goku-cant-beat-yet-never-will/