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How do you know they are an idiot? Maybe your science guru is an idiot?
well, let's see... perhaps the "science guru" in question is ignorant of subjective material. The science, however, is evidentiary based and, when validated, is a fact. therefore, if the "science guru" is presenting a fact-based argument from evidence, then it doesn't matter if he/she is an idiot as
it is the evidence that determines who is being what, not the person.
Science:
The observation, identification, description, experimental investigation, and theoretical explanation of phenomena; A systematic method or body of knowledge in a given area -
https://www.wordnik.com/words/science
a branch of knowledge or study dealing with a body of facts or truths systematically arranged and showing the operation of general laws: systematic knowledge of the physical or material world gained through observation and experimentation -
https://www.dictionary.com/browse/science
(using 3a) knowledge or a system of knowledge covering general truths or the operation of general laws especially as obtained and tested through scientific method -
https://www.merriam-webster.com/dictionary/science
[The] "Scientific method is an empirical method of knowledge acquisition, which has characterized the development of natural science since at least the 17th century, involving careful observation, which includes rigorous skepticism about what one observes, given that cognitive assumptions about how the world works influence how one interprets a percept; formulating hypotheses, via induction, based on such observations; experimental testing and measurement of deductions drawn from the hypotheses; and refinement of the hypotheses based on the experimental findings." - wiki
if an idiot is "a foolish or stupid person" (
https://www.merriam-webster.com/dictionary/idiot )
and stupid is "lacking intelligence or reason" or "marked by or resulting from unreasoned thinking or acting" (
https://www.merriam-webster.com/dictionary/stupid )
then the actions of a person who refuses to accept proven, demonstrable, validated fact are the actions of a person who is an idiot and stupid.
As noted, using the terms may well be personal, but I don't think they're always directed as personal so much as descriptive of actions at a specific point.