Although it may seem to contradict the norms of the series, Sukuna's startling use of the pledge to subjugate Yuji is in line with them. By exploiting ambiguity in the vow’s phrasing ...
Jujutsu Kaisen chapter 269 had the surviving sorcerers addressing the battle with Ryomen Sukuna, with Maki Zen'in explaining there were several alternatives that could have ended the conflict sooner.