Bitcoin is difficult to understand depends on how avid you are. Most Bitcoiners just want to invest, accumulate more Bitcoin invariably making money.
But if one want to learn the Technicalities involved in Bitcoin it can be challenging, I believe any thing our mind is set on it very possible to grasp and understand the details of it. What is difficult for you, can be easy for someone else vice versa, you just need to accept the challenge and see it through.