[sgtcodfish]

The article linked in this post directly addresses (3) as being an absolute non-issue spread by FUD, and the whole article is about (4) being very probably untrue.

It also goes into solid detail on the extent of (1) and (2), neither of which seem particularly groundbreaking.

[emodendroket]

I didn't find the dismissal of botulism risk entirely persuasive. Botulism may be rare but it is really lethal.