Assuming the aren't well programmed, it might be preferable to spoof them with junk data. Is anyone MITM-ing and publishing the data these devices are sending?

Assuming the aren't well programmed, it might be preferable to spoof them with junk data. Is anyone MITM-ing and publishing the data these devices are sending? It would be nice to reverse engineer and document their APIs. Somebody needs to be watching the watchers.