So if all the nodes will depend on these two nodes and will use at the same time option listen = 0, then noone will be able to verify whether the owner of these two nodes are not manipulating the chain, because the option listen = 0 makes that the chain can not be verified with other nodes.
I'm sure that this is not the permanent solution. It's better than what we've had the previous couple of days though.
This temporary fix has been working for me. I've staked a few times and haven't forked... it's progress.