For most people FL Studio isn’t hard to learn. So the short answer is no. Still you must realize that FL Studio is a highly complex and disorganized piece of software. If you really wat to grasp all its possibilities you will have to spend time working with it. Learning your DAW is just the beginning of music production.
When asked “What are the best DAWs?” the answer is simple. Reaper is ranked 1st. FL Studio is ranked 3rd. People have several reasons to prefer Reaper over FL Studio. The most important reason for choosing Reaper is simple though. With Reaper you cannot only make your own themes, on top of that you can also configure the Reaper interface to best suit your personal needs. There are no limitations when it comes to customizing or programming Reaper.