Correct. And this has been gradually progressing over the past several months.
The use of the term "firing" is misleading at best. Re-innervation is a gradual process whose progress is marked by subtle changes over time.
We seldom use that term in the profession because it connotes a sense of all-or-nothing, as if today there's no spark but tomorrow suddenly there it is.
So, no one who is now splitting hairs over when it started reacting can answer that question in a practical fashion.
It has occurred so slowly that JS would not have experienced a "switched-on" moment, though he may he logged the day he first began to raise his foot, toes, etc.