I mean. Most of the article is devoted to addressing this exact question. Before, it was just about making games playable on modern computers. This is about preserving games for the long term and making sure things are compatible with machines far into the future. The distinction may be a minor one but there is a difference in what this is vs. what they’ve been doing in the past. In fact this initiative is being worked towards because of their past experience in preserving games not separate from it.