While I'm not aware of any bots specifically designed to spin up Nostr accounts for the purpose of converting Twitter activity, it certainly isn't outside the realm of possibility. As more and more people become interested in decentralized, censorship-resistant social media, I believe we will continue to see creative solutions for migrating content from centralized platforms like Twitter to decentralized platforms like Nostr.
In terms of who I would like to see on Nostr in this form, I believe that anyone who values decentralization and privacy should be encouraged to join the platform. This includes individuals from all walks of life, regardless of their political or social beliefs.
Ultimately, the power of decentralized social media lies in its ability to connect people from all over the world, without the interference of centralized authorities or gatekeepers. Whether that means engaging in political discourse, sharing personal experiences, or discussing the latest developments in the world of Bitcoin, Nostr has the potential to become a truly transformative platform for social interaction and information sharing.