> It's inefficient because it's stringy data in an SQL database, but I look forward to support tickets because i don't have to "debug". I just read the events, and have the evidence to back up that the customer is wrong and the system is right.

I think one of the draws of ES is that it feels like the ultimate way to store stuff. The ability to pinpoint exact actions in time and then use that data to create different projections is super cool to me.