Why does the Left wreck everything it touches?

They infiltrate the education policy area and after a relatively short while,have dumbed-down the curriculum to a breathtaking degree with the result that schools are now turning out 'graduates' with the literacy level of hillbillies . .they attach themselves to 'indigenous rights' agitating for equality to ,for instance,buy alcohol under the banner of 'progress' and,at least in Australia,the aborigines all end up with kidney and liver disease and all manner of social problems as a result . .they support 'revolutionary' governments and tinpot 'republics' like Libya (Nelson Mandela's great pet love) which invariably fail and consume their own citizens either through civil war or,as in Maoist China,through perverted 'cultism' as instanced in the 'Cultural Revolution' where families and siblings turned like maddened animals against themselves . .(please don't mention 'The Nazis' in any replies as they were out-and-out leftists . .socialists . .you know . .'National SOCIALISM'?,so we can head that one off from the get-go). . they have their eyes on bringing down the constitutional monarchy here and replacing it with a 'republican' model . .same as Lenin did all those years ago . .and we know which way the guns pointed on the old Berlin Wall,uh?