I doubt it is that. A coach who can only play one system is a system babby. And that is what JVS is. He can only play 3-4-3. Αnd players who don't he can't somehow make them fit in there (biggest example is Fortounis). Problem with Austria match was simple. JVS focused on CBs building up game which could not happen with the current faces. Sokratis could do that. Siovas could do that. Stafylidis could do that. Hatzidiakos can (to some extend), and I expect Retsos when fit and match ready to also do that - guy is good with his feet. What happened instead with Austria is midfield and defence being unable to build (because Lambropoulos is a low budget CB and Kyriakopoulos although good and excellent defensively, has not the offensive ability of Tsimikas or even Giannoulos.
Fountas on the wings and Limnios on the wings proved that they have talent. Fortounis I still dont understand what position he plays at and I believe he could not undestand either. Mantalos was too poor, for yet another game.
I do not think we ll have a problem to break the Moldova defence with these an offence like Fountas - Fortounis - Limnios and Koulouris just to pressure them (only thing he can do apparently). Kossovo I am sure though we will be lucky if we draw. And if we draw its gonna be a do-or-die match vs Slovenia at home, which I'd rather we didn't have to live again in such a group.
Also, I expect some agreement from both sides (Epo and the banned players) in the near future after some bad results happen.