The tipping point most probably was the so called Science Wars,
particularly the Sokal affair
Alan Sokal submitted for publication an article title "Transgressing the Boundaries: Towards a Transformative Hermeneutics of Quantum Gravity", proposing that quantum gravity is a social and linguistic construct.
In 1996, Sokal submitted an article to Social Text, an academic
journal of postmodern cultural studies. The submission was an
experiment to test the journal's intellectual rigor and, specifically,
to investigate whether "a leading North American journal of cultural
studies—whose editorial collective includes such luminaries as Fredric
Jameson and Andrew Ross—[would] publish an article liberally salted
with nonsense if (a) it sounded good and (b) it flattered the editors'
The origin of these Science Wars can be traced back to the publication of Thomas Kuhn's The Structure of Scientific Revolutions in 1962,
and the subsequent interpretation by some philosophers that Kuhn's ideas meant that scientific theories were, either wholly or in part, social constructs,
Note: the "hate" is/was against postmodernist philosophy, particularly Post-structuralism (Derrida and such luminaries!).