Whilst they may well be other factures involved, site`s such as the one you quote also have an agenda.
Although the Internet is useful for gathering information, its also a tool for lies and manipulation from any person, group or organisation, particularly political motivated.
There are many explanations why the oil prices are so high atm. I thinkOPEC does not want to reduce output because member countries know their oil is in limited supply and they want to get the maximum price they can muster. Its the most logical explanation- I have no time for all these conspiracy theories! x