Granted.
The right of a farmer to grow and sell crops isn't the RKBA.
The right of a businessman to hire and fire is not the RKBA.
In fact, nothing else is the RKBA.
So what?
Well, I'll concede that the RKBA is the guarantor of all other rights; that doesn't negate the value of other rights, IMHO.
The right of a farmer to grow and sell crops isn't the RKBA.
Equating drug use to America's farmers providing food to our nation is equally inane.