For your Edit 2 - yes. Being discussed and looked at actively in both the open and (presumably being looked at) closed communities. Open communities being, for example : https://ssp.mit.edu/cnsp/about. They just published a series of lectures with open attendance if you wanted to listen in via zoom - but yeap - that's the gist of it. Spawned a huge discussion :)
This was pretty much an open conference deepdive into the causes and implications of what you - and some sibling threads - are saying - having to do with submarine localization, TEL localization, etc etc etc..
