Looking after sites is something we can all do, whether with money or on a practical level - like rebuilding and getting involved with raising the hut at Rollrights. Guardianship always seems such a big word, but communities (even internet ones) make things happen, we have to see these sites as part of our common heritage, it just does not belong to the state and private individuals....
End of early morning sermon..... expect that if everyone gave a fiver it would be up in no time.