One reason to use your own relay/discosrv (if anyone wants one) is that some of the public relays/discosrvs are also hosting Tor nodes, so Ubiquity's routers wi

One reason to use your own relay/discosrv (if anyone wants one) is that some of the public relays/discosrvs are also hosting Tor nodes, so Ubiquity's routers will tell their Admin you're using Tor.