Certainly not unreal. Most of the basic editing stuff uses the same software code base underneath the GUI. The biggest differences come from some of the professional features that have been added, for example, Multicam editing. Vital for cutting reality tv - not so much for drone footage. There is a huge body of professional editors using FCPX, who all participate in user groups sharing problem solutions and tips. There are a couple of groups you could look at and see the kinds of discussions that are going on to see if what his being talked about is something you need in an editor.
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Final Cut Pro X - Apple Community If you want to invest the time and think that you may want to do some serious editing in the future, I would recommend it very highly. I have been editing movies since 1964, with more editing systems than I can count, and FCPX is, for me, the best. It fits well all the stuff I do, and it fits very well into the bigger Apple system including Motion, a special effect program, and Compressor which provides a vast array of encoding and resizing choices.
As I said in my earlier post, I cannot imagine a drone video project involving more than what iMovie provides. It is a wonderful tool for straightforward editing, and has Avery short learning curve.
What editing problems are you having trouble with?