I watched the video, yes.

What I find hilarious is the comment string on that vid, everyone is trying to act like realists with profound rationalism.

Anyway, yes, it's true that humans don't have reptillian brains.. but I like to believe we have similar brain and neuro-anatomical structures like a reptile.

There is a theory that OCD itself (which supposedly originates in the reptilian brain) is a course of sub-routines of cleanliness and territory on repeat.

Watch this one about OCD affecting the basil ganglia (something reptiles have):
pretty cool vid to watch, only a minute long.