I totally agree. The thing that's drawing me to Spacetime is that it blends the processing model of actors and the data model of relational databases really neatly.
Data comes in, do something with it, store your state in a principled way, repeat. Add in subscriptions to data and it becomes reactive. Simple.
Data comes in, do something with it, store your state in a principled way, repeat. Add in subscriptions to data and it becomes reactive. Simple.