No, the difference is that IPFS will use the same address to fetch content from anyone who's seeding it.

If Hacker News shuts down, it will no longer be accessible at 'news.ycombinator.com'; all existing links to that address will die, or worse will start showing some unrelated content (probably domain-squatter spam). That cannot be prevented by making a copy on my hard drive (or even the Wayback Machine).

On the other hand, an IPFS version will continue to exist at the same address for as long as anyone is seeding it. All links will remain working; anyone can join in the hosting if they like; even if it eventually stops getting seeded, it may still re-appear if someone re-inserts it, e.g. if they insert the contents an old hard drive they found in an attic (as long as the same hash algorithm is used, then the address will stay the same).