Same thing happens with most of the country people. In my country too only very few heard of it, thinks it as a scheme and not a technology boom. I think let them stand on their own decision but will understand when bitcoin reaches majority citizens in every nation.
It is also happen to me, every time i try to convince or when they saw me doing something related to bitcoin they will say i am doing illegal things, it is so hard to convince them because they were more believe in news rather than my words, but it is their lost if they dont want to involve in crypto currencies, in the future cryto currencies will become trend and great investment
My parents used to scold me whenever they saw me in front of the internet way back when i was starting to know about bitcoin. I tried to explain to them the reason why I am so busy with reading stuff and told them about bitcoin. They told me that it was non-sense and that i must take care of our small business to at least take profit not just wasting my time into something stupid like bitcoin. But eventually i convinced them that bitcoin is worth investing.