I think an issue with dgraph is their "open core" didn't include a lot of things you'd expect in a "core" DB (iirc backups, multi tenancy & acl). I'm not famili

I think an issue with dgraph is their "open core" didn't include a lot of things you'd expect in a "core" DB (iirc backups, multi tenancy & acl). I'm not familiar with confluent & co. but imo for "open core" to succeed you need a product attractive enough to gain market share, and then you can have extra features for commercial use. But then why not just make it completely open source to gain even more market share and offer support contracts (eg redhat & co)?