I think there is a way forward with TF regarding a cross-promotional deal. As I understand it, this forum software does have some social media integration functions, so letting TF handle that aspect and reflecting it here, as well as the more traditional straight-forward news related content on their up-to-date site seems like a good initial proposal, with their site directing their forum traffic to UEMB. The biggest caveat to that is the need to clean up the general level of toxicity here. You simply can't have dipsticks like Zeni in FFA posting his usual creepy garbage, you can't have people trashing Packard et al.. Clean up the toxicity first, confine it to DF where it really belongs, and then you can probably approach the TF admins with some kind of deal.
Long term, if the more toxic elements are not removed, it will hinder the ability of any TF/UEMB to put together any kind of exclusive content with Toonami staff such as Discord chats, AMA etc..