The Future of Mobile App Dev – Q&A with Heyzap, Firebase, Apportable, Optimizely
blog.heyzap.com
blog.heyzap.com
Once you've the hang of it, it's so much faster and easier, and removes so many of the platform specific quirks and limitations.
Especially for business focused apps, Titanium is an easy choice. The shops who are best at it have been doing it for years, and don't really want to give away their advantage -- most are too busy cranking out apps to write blog posts about it.
React is trendy, but Appcelerator has proven itself time and again in the market. It's really hard to have comprehensive cross-platform API coverage, React is going to be behind for quite a while.
The tiDev.io lead just joined Appcelerator as their new evangelist [2], I think he could be a good shot in the arm for the community.