We don't have to have deep understanding of how something works to be able to use it.
You don't know how many of your home appliances work and you use them every day because you know the effects they produce. You press a button and something happens.
I don't agree that we have to educate the world about Bitcoin. It's enough to let them know it exists and what it can bring to the table.
Learning never ends.
As Bitcoin becomes more and more popular. Many people are learning the knowledge of cryptocurrency.
In the beginning, everyone just wanted to make money with cryptocurrency. Now is to understand daily payment transactions. Many elderly and children can already use cryptocurrency for shopping.