What’s your branding like? If you have a great system with a unique identity (logo) that matches the customer experience, you could also get some merchandise printed with it (crew sweatshirts, nice t-shirts, totes, “dad” hats are all popular with the brunch crowd. It’s an extra income stream and—if you have it designed well so folks want to wear it—a great billboard outside the cafe.
If you think your brand might be lacking, DM me.
This sounds like a “forced fun” nightmare from an introvert perspective (~40% of the population). I guess it depends on your employees. Have you done an anonymous survey to see what they really think?