The problem I had with ArchiveTeam is that they are very insular, and don't accept help quickly or easily from someone who is not already inside their inner circle. I'm guessing they've been burned more than a few times.
There are publicly available versions of their tools, but those aren't the versions that actually get deployed. You have to know or be told the private locations for the tools that actually get deployed.
What's important to them is not how much resources you could help bring to bear to solving this problem that you care about right now, but are you still going to be here in a year to help them with the 99th problem that you don't care about?
I can't say that I blame them for being insular in the face of whatever their past experiences were. I just wish that they had let me join and help them, because I do think they have a good mission and they deserve to be helped. But if they won't let you help, then all you can really do is sit on the sidelines and watch. Or not, as you choose.
I chose not to stick around.