Redeeming and reassessing Plato as he endeavoured to deprive writing of its sacred character

If one overviews Plato,  not the caricaturized Plato, seen by some as the anti-democratic philosopher of an  aristocratic reaction to Athenian democracy, 

but the Plato who was the first to clearly assert the field of rationality freed from inherited beliefs. 

After all the bad words about the "logocentric" character of Plato's criticism of writing, it is perhaps time to assert its positive, egalitarian-democratic, aspect: 

In a pre-democratic despotic state, (ancient Greece) writing was the monopoly of the ruling elite, its character was sacred, "so it is written" was the ultimate seal of authority,

One could regard Plato as the original  deconstructionist par excellent

In ancient Athens the presupposed mysterious meaning of the written text was the object of belief par excellence. 

The aim of Plato's critique of writing is thus double: to deprive writing of its sacred character, and to assert the field of rationality freed from beliefs, i.e., to distinguish logos (the domain of dialectics, of rational reasoning which admits no external authority) from mythos (traditional beliefs):