Yes I agree with OP, if you don't have interest for Bitcoin it will be difficult for you to understand it, especially when your not the one investing in it,
Well, the interest should be there in the first place for someone to spend time and money to understand what bitcoin is.
Someone who doesn't have the encouragement and enthusiasm in learning what bitcon is. They are the people that will have hard time in understanding it.
But as soon as they see that the value fo it grows overtime, that's when they're going to decide that they should have invested on it and learned before anyone else does.
when you are talking about bitcoin technically that's when things gets hard for ordinary people, since they only knew bitcoin as a currency that will be use for payment transactions, those people only need to know what is the usage of the currency, its up to the developers who use the blockchain to understand the technicalities, about it, complicated things like are for the technical guys, users only need the usage, how to keep bitcoin safe, how will it affect the community, etc., this is on my opinion.