I think Crew3 can be an effective tool to incentivize potential users to become active members of the community by completing tasks and receiving rewards. However, the success of any tool ultimately depends on how well it is implemented and integrated into the overall community development strategy. It is also important to continue gathering feedback from community members to ensure that the tool meets their needs and expectations.

Whether Crew3 is useful for project owners and most users, it may vary depending on the particular project and community. It will be useful to explore how Crew3 can be customized to meet the unique needs of your community and project.