Complex sentence: The tactic is a type of formal fallacy that attempts to discredit the opponent's position by asserting the opponent's failure to act consistently in accordance with that position, without directly refuting or disproving the opponent's initial argument.
Split into simpler sentences: The tactic is a type of formal fallacy that attempts to discredit the opponent's position by asserting the opponent's failure to act consistently in accordance with that position. In this manner the user of the tactic attempts to avoid directly refuting or disproving the opponent's initial argument.