As it is unthinkable that Paleolithic cultures would not have spread over the entire shelf and the finger-bone of 20,000 BP from Sardinia gives certain evidence of Palaeolithic human presence there, the most logical conclusion (reached by the nearly all the prehistorians) concerning the deficit of Palaeolithic artifacts is that the sites where they would have been found have not been discovered yet.
Sebagaimana halnya bahwa budaya Paleolitik tidak menyebar pada seluruh bagian lapisan dan tulang jari dari 20.000 BP di Sardinia yang memberikan bukti tentang keberadaan pasti manusia Paleolitikum di sana, di mana kesimpulan paling logis (yang dicapai oleh hampir semua ahli prasejarah) yang perhatian dengan berkurangnya artefak-artefak Paleolitik, di mana situs-situs tersebut telah ada, tetapi belum ditemukan.