Speaking of stupid bugs that make no sense to report, Anaconda fails immediately in F27 if one of the disks has an exported volume group on it — in case you thought it was a clever way to protect some data from being overwritten accidentally by the installation. The workaround was to unplug the drives that contained the PVs in the problematic VG. Now, why not to report this? It's 100% reproducible. But reporting presumes a responsibility to re-test, and I'm not going to install a fresh Fedora in a long time again, hopefully, so I'm not in a position to discharge my bug reporter's responsibilities.