holy64:
Why are those two courses not playable for stroke games . . .
Probably for several reasons. Here are just 2 possibilites:
1. Neither course was willing to allow WGT the time it takes to shoot sufficient images (as mentioned about 300,000 photos) to make the entire course available for stroke play.
2. Both courses wanted more money than WGT was willing to pay to make each entire course available for stroke play.