Part 2/9:
Chris Chibnall's stint as head writer has been divisive; many fans feel that his era has done more harm than good to the show's legacy. Notably, the series introduced The Timeless Children storyline, which arguably stands as the most controversial decision—transforming the Doctor's origins into a mysterious, retconned history where the Doctor is no longer a Time Lord from Gallifrey but instead a "timeless" being with countless regenerations, stolen identity, and an artificially constructed origin.