DislikedTruth be told - I did not read the article, thus I don't know for certain if these are traditional 'vanilla' options or the newer Binary ones.
I can say, Options were originally created as a means to hedge. Its a form of insurance, with time decay.
Thus - if you see large amounts of options being purchased on any one side, generally its meant to protect a core investment that is going in the opposite direction.
There are occasions where people may buy puts if they feel there is a major move down coming. Those people have time...Ignored
"Men who can both be right and sit tight are uncommon."