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Some of thread's comments reflect that here is not quite understood the real work 
They do respect the work of developers - with fear, as they should Still not they don't understand that logo design work is quite similar: planning, trying several ideas, isn't it. It takes time. Therefore I don't understand that logos would be created from nothing in an hour by some light bulb vision And even by one member. I could imagine that the members of bitcointalk are not designing logos as a full day worker. In that case they must do teamwork, in a way or another, to combine the ten minutes of member A with half an hour of member B with an hour of member C etc. to get a good simple logo.
Or otherwise you must trust that you have luck.