Chester was ignorant:

>> The lack of vineyards in, say, Uttar Pradesh may have escaped your
>> notice. Real Indians use groundnut oil AKA peanut oil.
>
> Never heard of a store wise ass, and you'd better hope no one you're
> cooking for has a peanut allergy or you've killed them.

http://www.faiusa.org/?page=peanuts

"Highly processed peanut oil has been shown to be safe for the vast majority
of people individuals allergic to peanut."

I suppose the reader should not attach a HUGE amount of credibility to a
site which refers to "people individuals", but it's a good bet that whoever
wrote the site is smarter and better-informed than Chester.

Bob