They said "It would make it very difficult for Blizzard to do a Diablo 2 remaster because all the assets we used are pretty much gone. They'd have to make them

They said "It would make it very difficult for Blizzard to do a Diablo 2 remaster because all the assets we used are pretty much gone. They'd have to make them from scratch." I can't think of any other way of interpreting it.