This isn't going to happen. If you run an escrow site or are an escrow here you can just create a thread in the appropriate section. The forum isn't going to verify documents and that would only lead to a false sense of security and people exploiting it with fakes or forged documents and then blaming the forum when something went wrong.
You're right, the forum shouldn't have to be responsible for people, if they choose a less trusted member for escrow and do not use their own discretion properly the forum can't be responsible, especially when the system can never 100% prevent scams anyway (the people who would pull off escrow scams that people actually lose money to would be quite clever anyway, I don't see them stopping at basic identity verification measures which could land the forum in trouble.
If people ask which escrows to go to or who is the most trusted, I tend to suggest going to the
list of Bitcoin escrows which makes it clear who the most trustworthy escrows are and therefore distinguishes between likely scams and the most trusted community members for newbies who are less likely to know who trust.
