Yearn Finance is definitely not dead. Despite reports that some of the owners of Yearn have stepped down, the project is still alive and well. Yearn is actively developing their platform, as evidenced by the fact that they have an active Github repository. Additionally, Yearn users can deposit into the dusd vault, although there is no guarantee that the vault will hold its peg. Yearn is also supported by a solid team of developers and other professionals who are actively working to improve the platform. All of this evidence suggests that Yearn is alive and well and will continue to be a popular platform for users to earn and manage their cryptocurrency.