Become a MacRumors Supporter for $50/year with no ads, ability to filter front page stories, and private forums.
Right, edit is for correcting mistakes. If everyone can still see the mistakes then there's really no point editing them out.

The other, IMO better alternative, would have been deleting all likes and retweets on edit. That would have been effectively delete and repost.
 
Register on MacRumors! This sidebar will go away, and you'll see fewer ads.