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I've fixed some of these mistakes already, but here is a description of what I think are the most important issues:
1. They've made duplicate pages without realizing the originals already exist, likely because they misspelled the title. I had to delete duplicates for <a href="/wiki/Mahoromatic" title="Mahoromatic">Mahoromatic</a> and <a href="/wiki/Bevs_Boredom" title="Bevs Boredom">Bevs Boredom</a>. The latter was just hours ago.
2. They tend to put a category as "Inflation" instead of "Air inflation". Example here: <a href="/wiki/Ethical_Comics" title="Ethical Comics">Ethical Comics</a>
3. Also, on pages for Instagram comics such as that, they don't organize the entries. I believe the comics should be posted with the date the creator first uploaded them, like newspaper comics.
4. They sometimes just put the number of the chapter/episode they find without the titles, even though it wouldn't be hard to get the titles.
5. They seem to have a faulty grasp on organizing entries based on media. I think this page is the best example I can think of now: <a href="/wiki/The_Dungeon_of_Black_Company" title="The Dungeon of Black Company">The Dungeon of Black Company</a>