In reply to Ryan Hellyer.

People just suck at understanding scale considerations. All FB tools are aimed first at FB, and might be useful for other "big corp" but their usefulness might be limited if you don't have 100k servers, huge CDN ot every user visits your site once a day. Some google library are similars, but google went with compiling JS library into final JS code as is required per each product.

But using react,hhvm etc, can serve as a marketing name drop when speaking with people that are technical enough to be mislead into thinking there is any relevance to what they want to do. Otherwise, I am with you, I can't even imagine a situation in which I will allocate the time to read the spec of it, total waste of time for most of my projects.