Here's what he had to say about it in JJK. Fans were especially not happy with Gojo's ending, but, for what it's worth, it certainly does add a unique flavor to his character, now that JJK has ...

While the ending of JJK was a happy one for most of the characters ... Of course, the strongest modern sorcerer, Gojo Satoru, was one character that made fans think the ending was inadequate.