In my opinion, it is, because it can show investors that the team is ready to bring huge results and has future plans.
As an example - KickCity, event platform where each user is rewarded for event promotion. You can try it today. More information you can find here https://medium.com/@kickcity_io/kickcity-public-beta-5aa66fafc5c7
Undoubtedly, an important condition for trust in a particular project is the availability of a finished product and useful technologies. I always study the information about the availability of the finished product, its utility for the society and the prospects for further development when choosing a suitable project.