Art tends to overshadow its creators. It's a somewhat universal rule that applies to many entertainment industries, including manga. Some mangaka may have cult followings among their readers, but the vast majority of people who engage with their work may never know the person behind the story. That type of anonymity suits Jujutsu Kaisen's mangaka Gege Akutami just fine, apparently.
Source：https://www.cbr.com/jujutsu-kaisen-gege-akutami-explained/
