Methinks you're unfair to the author: https://en.m.wikipedia.org/wiki/Diomidis_Spinellis https://en.m.wikipedia.org/wiki/Diomidis_Spinellis And at the risk of

Methinks you're unfair to the author: https://en.m.wikipedia.org/wiki/Diomidis_Spinellis https://en.m.wikipedia.org/wiki/Diomidis_Spinellis And at the risk of sounding like a clown, I'll go ahead and ask: ETL seems to be such a basic and generic thing to the point that it's useless as a concept. What did those Phds achieve in those thousand hours that the author missed?