Hell, it's entirely possible that one might not do any research whatsoever and still manage to write an accurate essay on a subject. It's also entirely possible that one might be rather well studied on a subject... and still manage to write an inaccurate essay on a subject.
Not probable, but if a set of words might be deemed accurate or not: it can be done. Ultimately, what matters is the essay, and not who wrote it. The argument, and not the person who writes it, the organization what endorses it, or how well-researched it was.
And that's why we have a scientific method of highly-critical peer review and retest claims others have made
Not that any number of people meeting the same conclusion makes it right, of course... 
Not probable, but if a set of words might be deemed accurate or not: it can be done. Ultimately, what matters is the essay, and not who wrote it. The argument, and not the person who writes it, the organization what endorses it, or how well-researched it was.
And that's why we have a scientific method of highly-critical peer review and retest claims others have made
Not that any number of people meeting the same conclusion makes it right, of course...
Please give me a home where cloud buffalo roam
Where the dear and the strangers can play
Where sometimes is heard a discouraging word
But the skies are not stormy all day
