Aloha Shawn,

I was thinking; normally, we would not want to have numbness in legs or arms.
I saw one colleague almost fell down because he stood up without realizing his leg has lost "feelings"/numb because he sat in one position and crossed his leg for a long time. It took him longer than a few minutes to get back to a normal walking pattern. Maybe it would help if he had massage his leg then.

From Michael's experience, it just seems like a "good" thing to have and then to experience the energy channel opened.
Guess I might have just answer my own point, not everyone will experience numbness in the legs while sitting in full lotus. We might just feel other channel open.

Happy to find out the power of those BIG toes!