5 Star is united only in opposition to the many deficiencies in Italy's economic, social and political institutions.  It has no common program to reform those institutions as Government.  Instead, it provides a political home for the widest range of contemporary political thought without synthesizing all this together into a workable reformation program. The default position thus is nihilism although it appears to avoid the authoritarian and xenophobic tendencies of populists in northern and Atlantic Europe currently.

Along with charlatans & incompetents, it undoubtedly includes many well-meaning public spirited individuals who could, as individuals, make a useful contribution to public life. 

However, like Italy itself, 4 Star appears to embrace both cutting edge modern and centuries' old divisive tendencies (the ultra avant-guard and obscurantist) of ancient regional societies that are much divided internally and with each other and have not coalesced as one State or Nation.