You’ve assumed the OP is downvoting because of the wrongness of the argument rather than the lack of validity.

Name one what? One post that commits a logical fallacy? A logical fallacy? You’ve been downloaded for creating a vague argument.

No assumption was made on the accuracy of the argument only on the validity of the argument,therefore no fallacy was committed,. On the other hand you committed the Hasty generalization fallacy by assuming OP’s intent.