I did this few times in the past but I had more bad experience than good, I ended up creating more enemies for myself than I hoped for, my job was quit easy but my fellow country men and women have their own ways of digesting words and lessons.
I just can't understand how you could make enemies just by spreading information about Bitcoin. You're just teaching them about Bitcoin, what makes them consider you an enemy just because of something like that? It's just ridiculous.
Maybe you didn't get the point. He already explained the reason for such behaviour by them. He stated, if you read down, that why he taught about bitcoin, some family and friends that got interested about bitcoin invested into bitcoin, and at a long run, because they misplaced there keys and/or lost there bitcoin to a wrong wallet. He mentioned the effect of clipboard on wrong copying of address and all of that. So they got really mad at him and it led to enermity because the three he mentioned couldn't reap from the investment since they lost there bitcoin by mistake.
So they feel it was his fault, introducing them to something quite risky as such, considering the fact that they have saved and invested there money for the time they invested in Bitcoin. Quite painful though, but u wasn't your fault at all. They should have learnt from there mistakes and do better next time.
For me, I have not really introduced anyone into bitcoin or carry out a special class for such knowledge. So I have no regret whatsoever. Just accumulation and hoping for a good price of bitcoin at the market