I understand that you might not love doing this (we cannot be good at everything, right), but I believe it is essential, if you want to make your products more popular.
But hey, you don't have to do everything all by yourself...
Outsource what you are not good at, or just don't like doing
I think it's great that you write a text first.
There are more than enough videos on the net with just nonsense talking, and not getting to the point.
No need to make another one
As is it is now the text reads itself a bit complicated... maybe try to keep it a bit simpler.
But on the other hand I am sure that it will be much easier to understand once you see the EQ itself in action.
Btw I want to end the video with an explanation of why more resolution doesn't mean a better sound and can even mean a worse sound, and show the effects of ringing and how they compare to clicks when clipping a sound, but it might take several minutes and it might be kinda heavy, should I do it anyway?
I think you should do it... sounds interesting, and I don't know many videos that show and explain ringing.
But maybe make a seperate video about it? No need to show everything in one single video.
You could do even 3 videos... spline eq basics, spline eq advanced, and then one just on the stuff you mentioned...