For sure, you'd generally want to address the source of the issue rather than band-aid it, but that isn't always possible (or not possible immediately) and you just have to work with what you've got. Most of the time your boss isn't going to let you "grind everything to a halt".
But, more importantly, I think the blog is focused more on the practical "here's how to do x with some code", and less about the theory of data science.
But, more importantly, I think the blog is focused more on the practical "here's how to do x with some code", and less about the theory of data science.