The purpose of using a modifier in a claim/argument is to assert absolute certainty and eliminate any doubts.

The purpose of using a modifier in a claim/argument is to provide a nuanced perspective and add clarity to the statement.

The purpose of using a modifier in a claim/argument is to make the statement more ambiguous and open to interpretation.

The purpose of using a modifier in a claim/argument is to confuse the audience and obfuscate the main point.