Hi
I don't use Motion for video editing, I make FCP tools and template plugins. I think though, eventually I will be facing the same competition as you are, and my income depends entirely on the popularity of FCP and the user base that it supports, so I am facing the same competition soon I expect. I have faith that Apple will deliver the tools to remain competitive via future releases of FCP and Motion. From what I understand, Apple has generally preferred to deliver the 'platform' and then depend on 3rd party developers to provide all the higher features and functions - mVFX Puppet, Yanobox Nodes & Motype 2 for example. However, with the pace of change the last few years, maybe they will be become more active with elevating the base features.