It was necessary so Part 3 could exist the way it does, but retconning this so Dio escapes into a totally secret part of the coffin so that Jonathan's sacrifice was pretty much completely in vain was kind of lame.
>>287967238dio couldn't hurt anyone for a century because of jonathan's sacrifice. he saved the lives of tens of thousands of people, you retard.
>>287967370Using Jonathan's body to defile it with copious amounts of unprotected sex and eventually setting up a universal reset is infinitely worse.