There are those who believe in emergent myths, deep axiomatic theory or anything guaranteeing a fun session that may even be sold as km intervention. However it is this emergence of perception that needs scientific methodology as well. Extremizations and polarizations of salient features of any group interaction often is no more than subtle and refined hooliganism. On the other hand, too much skepticism leads to sterility and lack of passion, which sure is a quality of good scientific conduct as well. Laboratory situations are not fit for valid representations of real life situations either, except for a few experiments that usually are quite deceptive.
Reality ultimately is the same for all perception because it created perception in the first place.
Therefore, we can be in agreement about the truth. However, we cannot parrot each other in feelgood reality media like support groups and social biospheres, unless we do so for survival reasons. It does not test validity of concepts but capitalizes on the false belief that power is knowledge. Independent reproduction of perceptual or intellectual images is the best guarantee or even criterion for knowledge acquisition.