And, sorry, "the hard way" being the terrorizing of one of your users by dozens of racist, misogynistic or homophobic trolls.
Blocklists are a powerful tool. Governance is important. I think the Fediverse community can work with IFTAS to maintain transparency and accountability in the DNI list.
If you have a fediverse account, you can quote this note from your own instance. Search https://cosocial.ca/users/evan/statuses/116131776777164897 on your instance and quote it. (Note that quoting is not supported in Mastodon.)