Popular conception of objectivity: a scientist is objective to the extent that they approach a topic without presuppositions (“open mind”).
Science is self-correcting: weeds out ideological distortions in the long run.
1 & 2 are false: good scientific method relies on background beliefs. Scientific method is truth conducive if enough of these are true enough. No procedural way to insulate inquiry from ideological influence. “Correction” is externally driven.