More generally, if resurrection doesn’t require additional sacrifices and doesn’t use up a horcrux, people who don’t have horcruxes could make them by murdering other people (by arrangement) who already have one (and then resurrecting them). Eventually, everyone is alive and has a horcrux.
I’m not completely sure this will work in general. It seems that magic works partially off of intent. One may need to actually believe that one is murdering the person in a permanent way. However, even that could be handled with memory charms.
More generally, if resurrection doesn’t require additional sacrifices and doesn’t use up a horcrux, people who don’t have horcruxes could make them by murdering other people (by arrangement) who already have one (and then resurrecting them). Eventually, everyone is alive and has a horcrux.
I’m not completely sure this will work in general. It seems that magic works partially off of intent. One may need to actually believe that one is murdering the person in a permanent way. However, even that could be handled with memory charms.