Yes, anecdata: A number of my own highest-quality finds have sink with barely a ripple on the "new" page.
> ... so you can try the same post again. Don’t overdo it. I would say max 2 or 3 times.
Most legit posters have better uses for their remaining lifetime minutes of brain activity than to game HN in such a tedious exercise.
Various software mitigations to recover credit for otherwise lost quality posts occur to me, but the coding effort looks substantial.
Maybe we could send repost invites to put them in the second-chance pool! (https://news.ycombinator.com/pool, explained at https://news.ycombinator.com/item?id=26998308)