I've found the video you suggested, watched it, it's definitely enlightening as you mentioned. Thank you for sharing it. :)
I don't care about it being more arcadey or less. The idea behind remains the same. It's the coefficients that change to a given approach.
The box approach with starting point to the spring behavior is what I never considered starting with ever. Call it lack of experience with this topic, call it false intuition. I like the idea of immitation before replication.