i think these type of post are posted by those persons who don't know about bitcoins in a better way . i hope they will know about it very soon and will also get a better profit through bitcoins .
yeah you are right they have do not knowledge about bitcoin because they are thinking about bitcoin negatively i think they need to read about bitcoin and understand about the benefits about of bitcoin then i am sure they will stop hate to bitcoin.
yes that is a fact that the first most thing is to know about bitcoin, if some one do not know about bitcoin then how can he take interest in it, he will just ignore bitcoin and will take no interest in it, and they will start investing their money in detail.