Sites get taken down all the time. Whole social platforms were wiped (Google!). Some of the latter allowed for data download, but that data may not be online again.

Internet Archive has some MTV news going back years.

A blockchain may be a better option, but archiving the internet would be a massive task. Part of the reason that this platform got my attention was that my posts could live on indefinitely.

Update: Internet Archive have made the old MTV stuff available. Someone could build something on Hive to archive sites, but need to beware of copyright issues. https://www.openculture.com/2024/07/the-internet-archive-rescues-mtv-news-web-site-making-460000-of-its-pages-searchable-again.html