Same, this is a case of intentionally misleading linkbait. Over time, you can tell by the domain, whether they're likely to be high quality or low quality content.
Have you tried LaTeX yet? I just started using it seriously and I don't think I'll ever go back. It's amazing for writing. And since it's good old plain text, it's highly compatible with git. I love being able to import sub-documents into one large structure; it's like writing modular code, but with papers.
I've used them both. A major advantage Foundation has was a responsive grid system, thought I've read that responsive grid for Bootstrap is in the works.