As a 15-year veteran of the classroom (Mathematics Teacher), I would often become incensed by administrators entreaties to “entertain your students.” The thought that went through mind when I heard this was;
First – Fuck that!, and
Second – Fuck you!
Just don’t do it. If your goal is to entertain, then by all means, entertain. But, if your goal is to educate, do not attempt to entertain your students, regardless of what some so-called experts say. Here is a particularly egregious example of a YouTube how-to series. (I do own the product of interest in these videos, and I do use it. It does work. These videos do not.)