Wikipedia

[Tiberius Nero]

But if you want to know the political motives for the diplomatic moves of the Tyrannoi of Syrakousai during the 1st Punic War... I wouldn't count on it...

Besides it would be against the Wikipedia "no original research" policy to include interpretation of historical events; at best one can mention in there prominent views of historians, ancient and modern, on this and that, but not present them as definitive and final.

[Dhampir]

Encyclopedia present only factual synthesis. They are utterly useless for academic work when you need interpretative and primary source material.

[delablake]

Encyclopedia present only factual synthesis. They are utterly useless for academic work when you need interpretative and primary source material.

exactly my point.
Wikipedia is useful as a source of links and sometimes even for secundary literature. I have the impression that it might be quite informative in the electronics/physics/chemistry and botanics sector (at least data on natural sciences I have to take as given ) but I found it more than questionable in terms of the humanities. Here it's more prone to smug smattering and interpretation...