tgm1024 -- I hear what you are saying.

However, a certain amount of faith has to be taken from simple warnings -- also some common sense along with your own knowledge.
I don't know if there are actual scientific tests showing drinking gasoline will cause extreme illness or death ( perhaps there are though I can't be bothered to look ) --- but , common sense along with some faith from warnings --- I for one believe it wouldn't be a good idea.