>>16342412The strategy is to put those users at a disadvantage so that they could upgrade themselves to better posting styles.
Plus, it is better to push them back to boards where they belong such as /int/ or /r9k/. /bant/ was better off before that other board was deleted, because it was the home to more experienced imageboard users that have already grown out of frogposting years ago.
Of course there are many people that only do it to "spite animeposters". They are not very constructive in what they are attempting to do, as all what they do is create a culture where all the quality threads are in the hands of anime posters thereby giving the handing over the victory in the "internet culture war" to us.