I apologize for any confusion I may have caused Apfelwurm. I only have one ID (this one)...
My Einstein quote was in response to your statement: "If you constantly did a restore from the same backup without success, you could have tried a different backup, should you have some spare backups."
Regarding your question "Anyway, what do you expect of me?" I have no expectation of you. I agree that the issue isn't with iOS7 since there are only a "few" of us having the problem.
I agree that if the problem was universal, Apple would fix it. I also agree with you and Fromsouth that the solution is to wipe the device clean and start over. The good news is that the purchased applications can be reinstalled from the store, and the iTunes files, Kindle books, iBooks, etc. can all be reloaded. It just takes some time.