The automerge approach defaults to car, so Renovate decides how to merge pull requests as best it could possibly. A use case for the latter is If you're a Renovate bot admin and want to provide a default token for npmjs.org without the need of eradicating some other .npmrc configurations https://preecha-concrete-pile51481.dailyblogzz.com/33050627/the-best-side-of-i18-pile