The `|| true` is often done because people use `errexit` as part of "Bash strict mode"[1], which comes with so many caveats[2] that I usually avoid it. Claude, however, loves it.
[1]: http://redsymbol.net/articles/unofficial-bash-strict-mode/
[2]: https://mywiki.wooledge.org/BashPitfalls#set_-euo_pipefail