Bleach: Thousand-Year Blood War is the triumphant return of the original Bleach anime, which once fell from grace as one of shonen's "big three" anime series. In many ways, the TYBW story arc has fixed the original anime's problems, such as tightening the pace and improving the animation, but some old problems still linger. The original Bleach anime often gave its heroes contrived power-ups, and recent TYBW episodes did the same.
Source：https://www.cbr.com/bleach-tybw-sajin-wasted-arc/
