The usual failure
New content is more exciting than URLs sitting in positions 8–20. Those pages already have a crawl. They are waiting for a better title, a link, or an answer block.
What to make true
Often the fastest organic work. Sequence them. Do not start from zero while near-winners rot.
Worked example
Keep it this plain. A team uses pages near page one as if buying the software installed the meaning. It did not. New content is more exciting than URLs sitting in positions 8–20. Those pages already have a crawl. They are waiting for a better title, a link, or an answer block. The move is not a new integration. Often the fastest organic work. Sequence them. Do not start from zero while near-winners rot.