Apparently the reasoning behind this is that I used "misleading titles / thumbnails" - Which makes no sense, as every thumbnail and title I use, relates to what's in the video, no matter how mysterious. Waiting for a reply @TeamYoutube to rectify this so I can get back to work.
Perhaps just title any future videos with the subject matter, followed by the word 'research' and then the date? Impossible to take that as misleading!....