I see no hypocrisy at all. If listings that go against eBid policy are reported they are removed. All auction sites rely on members reporting items that are not allowed - if they didn't and had to check every item themselves before allowing it to post you'd be waiting several weeks for your items to be searchable. Do you report suspect listings?
If you really must continue with these allegations, please at least provide some links to the offending items.
Like Gothicina, I actually did a search for these items before posting this and, like her, I found mainly books, car parts and prints. Yes, I did find a few film prop replicas but none of these had sharpened blades and for most of them the seller is suspended. I certainly couldn't find any 'tang ground' items.