Why didn't he obliterate all dangers? Plot-no-jutsu.
Your entire argument relies on the fact that itachi would eventually go blind from MS. But if itachi was healthy he would've cultivated sasuke's MS and then taken it for himself to unlock EMS. Sasuke could get eyes transplanted from some other shinobi or just be blind.
Your entire argument relies on the fact that itachi would eventually go blind from MS. But if itachi was healthy he would've cultivated sasuke's MS and then taken it for himself to unlock EMS. Sasuke could get eyes transplanted from some other shinobi or just be blind.