Or they were trolled by 4chan as has been widely reported - a joke that happened to fit perfectly into their preconceptions.
4chan “proof”:
https://www.zerohedge.com/news/2017-01-11/archived-posts-prove-4chan-trolled-cia-trump-golden-shower-story-entire-russian-hack
I’d have peed on the bed myself if the idea was to make a statement about Obama. Why outsource what could be more satisfyingly done oneself?