The information should be treated as advisory. The same as turn indicators are now for example, we do not blindly rely on them as source of truth. But yes, it

The information should be treated as advisory. The same as turn indicators are now for example, we do not blindly rely on them as source of truth. But yes, it is not easy since malicious data may cause more trouble than accidentally incorrect data. It probably should not be a forwarding network either, only short range p2p communication, that would hopefully limit the scope of any attack.