Nostr gives you the possibility to self host your digital identity, your tweet, your voice, your content and monetize it on your own term.
This was before impossible, you had to give up your digital identity to big tech companies and use it on their own term.
That alone is a huge incentive for people to run their own relay and host their own voice nostr:note1qmn08yen77gfxpcdge5f4lvea9jxep6huw4sagcq9w6swreh9q5s79n08r