The idea is good.
Is wiki asking for proposals?
And:
Do you wish to refer to the criticisms, i.e. the dark sides, negative aspects, risks, dangers, of a description or definition of somebody or something ?
In any case, you will have to create a website which corresponds to an encyclopaedia, a dictionary, ..., allowing to receive definitions and articles, with their sources, references, further verifications, criticisms, acknowledgements, and, eventually, new technical terms (jargon) and their definition.
As for a name, I would rather suggest a more correct use, like "the other face", "the other side", or "the hidden face", "the hidden side", "another aspect", etc., provided that these titles are not already taken.
More later.