Smart and outside-of-the-box thinkers will suddenly hear about this company and feel like joining you.
In other aspects, there isn't a "risk" in adopting this technology. You can integrate plugins from jQuery, components from React or Polymer (for Material Design), you can get things done, there is a chat with activity everyday, 3 core maintainers with time/budget to fix bugs and improve the framework. Other frameworks might be bigger, but usually people don't measure the risks accurately. There is very little risk involved in picking such technology. It's MIT licensed (no PATENTS file), and it's not as critical component as a database for your backend.