By far the most popular idea is the positivist one that we should keep only the facts.
positivism in British English
(ˈpɒzɪtɪˌvɪzəm)
noun
1.
a strong form of empiricism, esp as established in the philosophical system of Auguste Comte, that rejects metaphysics and theology as seeking knowledge beyond the scope of experience, and holds that experimental investigation and observation are the only sources of substantial knowledge
See also logical positivism
2. Also called: legal positivism
the jurisprudential doctrine that the legitimacy of a law depends on its being enacted in proper form, rather than on its content
Compare natural law (sense 3)
3.
the quality of being definite, certain, etc
Derived forms
positivist (ˈpositivist)
noun, adjective
positivistic (ˌpositivˈistic)
adjective
positivistically (ˌpositivˈistically)
adverb
positivism in American English
(ˈpɑzətɪvˌɪzəm)
noun
1.
the quality or state of being positive; certainty; assurance
2.
overconfidence or dogmatism
3.
a system of philosophy basing knowledge solely on data of sense experience; esp., a system of philosophy, originated by Auguste Comte, based solely on observable, scientific facts and their relations to each other: it rejects speculation about or search for ultimate origins