You are right. Such concepts are truly abstract, such for illustrations are hard to make. The matches may not be perfect, but examples in this case come to mind:

[0]braintruffle - took the concept of computer fluid simulation as main topic over detailing specific implementation, few videos a year.

[1]Reducible - His explanation of GJK algo, even after reading papers on it, made me appreciate it.

Both utilise extensive animation skills, mastering meaning of video.

[0] https://www.youtube.com/watch?v=MXs_vkc8hpY

[1] https://www.youtube.com/watch?v=ajv46BSqcK4