Like I said earlier, conservative professors (who may be few, though) who disagree with this slippery slope, should at once start to deliver big, fat
'F's on every homework assignment turned in by the most liberal students. In defense, they can state that 'things are relative' and that the 'F' is not backed up with reason or right or wrong, that's 'just the way things are.'
Subjective world, you know.