Polemic (noun)
pol-em-ik
a controversial argument, as one against some opinion, doctrine, etc.
First recorded in 1610–20; from French polémique “disputatious, argumentative,” from Greek polemikós “of or for war,” equivalent to pólem(os) “war” + -ikos -ic
Example sentences
“The problem was, they relied on one polemic after another instead of instilling some substance into the organisation.”