Yes, you can also mute and report him. Veritas is already more muted than followed, so most users are reacting to his content in a bad way and he is now disappearing from more and more feeds. Filters exist in some form on every client. The beauty of nostr is that users can use multiple clients at the same time. But each client decides what and how they want to show, with or without options to users. Relays are the same. They are all private property of somebody else. Nostr just allows you to move between clients (or build your own) very easily.