" In other words, the boundary between that which is objectively true and that which is subjectively experienced ceased to be accepted. The perception of society as formed of individuals interacting with universal reality in unique ways - which underlies the liberal principles of individual freedom, shared humanity, and equal opportunities - was replaced by multiple allegedly equally valid knowledges and truths, constructed by groups of people with shared markers of identity related to their positions in society. "
― Helen Pluckrose and James Lindsay