Sure we can make a UO client and a UO server that emulates the original perfectly, but UO didn't exist in a vacuum. Unless it's 2001 and UO is the only (mostly)

Sure we can make a UO client and a UO server that emulates the original perfectly, but UO didn't exist in a vacuum. Unless it's 2001 and UO is the only (mostly) large scale MMO in the market it's simply impossible to recreate the experience. The variety of playstyles that were forced to coexist in MMO haven't been seen since and probably won't be seen again now that it's not the only game in town anymore.