Nightshade is a “God given plant”. So is mistletoe. Yet We wouldn’t smoke them.
God made all plants...he also made brains and common sense and expects us to use them. So grandma might need some for pain relief. It doesn’t follow that grandma needing to smoke it means that the all the rest of us should be smoking it. Freedom is one thing, the morality and religion that undergird our liberty, per G. Washington, safe guard our freedoms when we use our liberties responsibly. That doesn’t mean you are necessarily free or have a moral right to get a buzz on in the sight of God. Grandma in terminal pain...maybe!
You’re right you should not smoke these plants but both do have medicinal uses.
Extracts of mistletoe have been used in cancer treatment.
Both Scopolamine and Atropine are derived from Nightshade.
In nearly all toxic plants medicinal components can be found.
In almost all poisons the dose is the critical factor.
Water is toxic in large enough doses.
Saying there is no medicinal value for any plant is foolish.