Not LaTeX; didn't read.
Some of those formulas were really blurry, while some of the tables spanned weirdly over pages.
The hosting issues could have been fixed as well if it was LaTeX as it would have been neat in a git repository.
Gitlab also has continuous integration for LaTeX
* https://www.vipinajayakumar.com/continuous-integration-of-la...
I'm not sure whether this pro-TeX prejudice is a good or bad thing...