I've been saying this in different channels the last week or so when mempools stuffing has been a topic. I guess there are no guarantees, but I have a fairly easy route to contact 90% of channel peers, and knowing their character a fair bit and being able to reach out allays fears about a tx floating in and out of mempools or a pending htlc.

Thing is that this works reasonably well out of band but a tighter and somewhat more alert-type messaging integration with lightning implementations, as suggested above, would go a long way. If this was fleshed out in the protocol, it might make the adverse camber of running a node in high-fee environments a little safer for all.