A better question is how the DMCA could possibly apply to a site that doesn't host a single file. It's a search engine for (magnet) URLs that anyone can submit

A better question is how the DMCA could possibly apply to a site that doesn't host a single file. It's a search engine for (magnet) URLs that anyone can submit to. How do you submit a takedown for a "file" when there's no files to speak of?