Discovering older topics: drinking a lake through a straw

You are bypassing one thing. Bumping helps only if

  • a useful bot is scraping at that moment
  • a useful bot will follow such links

In most of cases that will not happend. Only what to get is annoyed users — unless those bumpings happends only in non-JS versions.

But one question: do you want all this just because your sitemaps may be broken, or don’t you trust on sitemaps?