Why communists are not using yahoo answers as a platform to propagate Marxism?

previously communists used every plat form to propagate marxism.but after going through most of the yahoo answers i have found that they are not using this as an ideal platform to express their views on major events taken place recently like war between lebanan and israel, pope's comment on islam, war on iraq... show more previously communists used every plat form to propagate marxism.but after going through most of the yahoo answers i have found that they are not using this as an ideal platform to express their views on major events taken place recently like war between lebanan and israel, pope's comment on islam, war on iraq etc. why they are maintaining stoic silence nowadays?
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