It's not the answer you want, but it just depends on what you want to do. In general, if you want to see more places in a given area or in two given areas rather than see less of a lot of areas, then go with a GE. If you want to see less places in a given area but want to see places that are very far apart, then go with a OWE.

That probably makes no sense, so here's an example. Lets say there are two people, both leaving from the US. One wants to see a lot of Europe and Asia, but has no interest in the US, South America, or Australia. Then go with a Global Explorer because you can set it up so that you have 10 or 11 stops in each of Asia and Europe but minimal stops otherwise. Conversely, if the other wants to see Easter Island, Angel Falls, Kruger, the Burj al Arab, Ayers Rock, the South Island, a Legong Dance, and buy some Japanese electronics on the way back, the trip is impractical with a 39k mile limit and she would be better off with the Oneworld Explorer.

Different strokes for different folks.