Found out POT.py doesn't handle bad passwords correctly anymore, for some reason. How? By Cornerhost being hax0r3d.
Everything's OK now as far as I know (at least if you're reading this, it is), other than extra care on Michal's part. It'd be peachy, though, to have an scp/sftp upstreaming driver for Radio.
Speaking of which, here's an example of Google being wrong: hit #1 for ssh2 sftp says:
Now that openssh supports the ssh2 sftp protocol, there's probably no reason to use this program anymore, unless you like it better.