So I took a infovis class and I think what the author means is that your visualization should have some objective utility. Exploration is good in a dataset as a

So I took a infovis class and I think what the author means is that your visualization should have some objective utility. Exploration is good in a dataset as a part of design. But if you are doing some visualization for like th nytimes or five thirty eight you need to have the skill to communicate something useful to the user. Exploration is a tool but giving people utility to actually use your visualization is more important. You should allow exploration but it shouldn't be the only thing that people will use your visualization for. Link to the class I took https://www.evl.uic.edu/aej/424/ https://www.evl.uic.edu/aej/424/