All of these are true! Except maybe the first one, which is a gross oversimplification.

"The dose makes the poison" is not something I expect an average Google user to have modeled accurately.

Edit: after reviewing other examples in this thread, my opinion of an average Google user has fallen drastically. Was mostly having a laugh at the fact fluoride salts are generally a thing I avoid, which seems to be the intuition represented by your example.