Yes, it's more of a "world heritage" concern. As in, these sites represent humanity's history and provide for our understanding of it collectively. The people descended most directly from those who originally inhabited these sites may have special concern with preservation, but heritage site preservation is a global collective responsibility.
The problem with Chrome OS is that it's designed around treating your hardware like a kiosk. This is evident from design decisions like including an SSH console, but then disabling the escape sequences (see: https://codereview.chromium.org/5183004/).