Taking a step back, there absolutely is an argument that some of the 7 relations here and the 66 relations here belong in OpenHistoricalMap rather than OSM. This has been mentioned before.
What seems to be missing is anything to make it easy to move data traced from out of copyright maps into OSM, into OHM. The last post in that thread seems just to suggest that “if you want, you can do all the work that you’ve already done, again!”, which not unnaturally seems not to have had any effect.