Facebook has just refused to withdraw some very contoversial postings under pressure from the UK government, regarding a killer who killed innocent people and a policeman, then himself.
You won't find hubpages taking those sort of risks. Soft porn, sexism, racism, neo fascism and religious intolerance is OK so long as certain words aren't used. The whole Hubpage vehicle is controlled by the advertisers. Perhaps this brings in revenue and writers can make a profit, but it marks Hubpages out from genuine discussion fora.