Not me and not all are pushing the timeline.
Newton also had a timeline that was close to Ussher's
Newton lived well before any real evidence for the age of the Earth, let alone the universe, was discovered. His opinions are not relevant.
The timeline is just adding the years from the genealogies to Adam being created on day 6. Then just 2000 years since the ressurction,
So I have no idea what you are saying about failed timeline.
Have you met the simple challenge?
Once again, the Bible isn't a reliable guide to cosmology.