So we can better see why it decides to do a local vs remote join. Spawning from [investigating a join issue on `matrix.org`](https://matrix.to/#/!SGNQGPGUwtcPBUotTL:matrix.org/$Odvd47QtkRscxilzkhcFOsDZWNvJUSEhSrD8GpukKWo?via=jki.re&via=element.io&via=matrix.org).