Whether the comment was incorrect in this case related to the paper in question doesn't invalidate the strategy, generally. Might be easier to pass scientific misinfo/disinfo if it were more difficult to reproduce, of course.
The comment was likely done in haste, meant to convey general strat that warrants consideration when examining the paper -- but could be easily invalidated, as you pointed out.
Whether the comment was incorrect in this case related to the paper in question doesn't invalidate the strategy, generally. Might be easier to pass scientific misinfo/disinfo if it were more difficult to reproduce, of course.
The comment was likely done in haste, meant to convey general strat that warrants consideration when examining the paper -- but could be easily invalidated, as you pointed out.