Those who do not understand and not interested on bitcoins are the one who do not like it. I do not think that people would hate it they just do not understand it.
to me no one hate bitcoin but they just need to know about bitcoin, and i think it is our responsibility to introduce bitcoin to them so that they may get benefit from it and it will also make the bitcoin more stronger.
I think there is someone who knows the ins and outs of bitcoin but they still hate bitcoin? of course competitor from his own, although he already knew about the system of bitcoin though, but if they are a competitor of bitcoin course they would purposely make bitcoin image to be ugly so that their products become more intense