It's not that uncommon when players give very early commitments, especially if they are from out of state and possibly make an emotional decision on a program coming fresh off of a National Championship. The same thing happened to Alabama, USC, and other such programs during their runs. I don't think it is so much about "playing loose" with commitments.
Judson is still saying that OSU is in the mix and plans to visit in November, but players rarely re-commit. Another site had been predicting this since March.
Another potential de-commit is George Hill who seems to be trending towards MSU.