And founding/publishing/career pressure. Unpopular research tends to be underfounded and underpublished and not leading to the tenure of promotion.
That is why most of the studies will have to support global warming, dangers of second hand smoking and to present homosexuality as a wholesome normal life style.
Most of scientists are conformists and cowards and for a very good reason of self-preservation!
BWAAAAAAAAAAAAAAAAHAHAHAHA!
Most scientists are cautious because they know how easy it is to fool yourself. You know, like you do.