Reverse Cursed Technique Is Broken?

Toji put a spear through Gojo's neck and a knife through his forehead. Gojo got back up.

Hollow Purple took Sukuna's hands. He grew them right back.

That's Reverse Cursed Technique: a negative times a negative makes positive energy, and the brain steers it.

Then Gojo did something wild: he wrecked the technique in his own brain, healed it, and opened his domain again.

Would you rather have RCT or a domain?