I think we are about 6.5 million. But, it only takes one to screw you up. Every bust you see, they show the whole plant with all the leaves and if they mention a weight, it is either an estimate or the total bulk. The proposed bill doesn't distinguish wet from dry or stalk from flower. It all counts when a cop raises their hand in court.
Sure, you can go underground if you want, but the penalties are still there, and it only takes one pissed off person to narc on you.
It's a kill bill. You won't be able to "legally" grow, and fwiw, I won't grow if I can't keep it legal.