You are absolutely correct that is the real truth about it, because I don't see any reason of putting pressure on someone that doesn't have any interest to invest in Bitcoin. Bitcoin investment is supposed to a personal decision not something to just force someone into it, because it required time and patience for you to be able to get profits from it. So however, just like as you have mentioned I think the best way is to just tell them about your achievement and also for others so that let them make decisions on their own.
If the person is interested they will make there intention known and when it comes to that I will tell them to go and make there own research so that they get the whole thing and conclude if its something that they will be able to do and there is enough reasons why you don't force things on people because if anything should go wrong you will be the one to be blamed and they will not know that you are trying to do them a favor.
That's how it should be, after telling people what you can be able to tell them about bitcoin the next thing which will save you from entertaining some unnecessary blames is by asking the persons to go do their own research about bitcoin and get back to you what they think about it. You could even give them some areas to research about which are what