We might could use him, but because of the Stasi controversy that "ain't" going to happen.
Maybe Germany doesn't want to fund a team whose future is uncertain since both aren't German. That's a reasonable position imo.
Maybe the German Fed. doesn't want to compromise their rules (about the Stasi thing) and pour money into a skater's Hail Mary attempt at an OGM - and OGM that is highly unlikely to happen - there are too many factors that are against them on it.