Even so, they're just implicitly admitting to the very accusations that they are defending. If "running it right" is so insufficiently defined that jespen cannot figure out how to set it up, maybe your product just doesn't actually offer consistency. Sure, you're conceding at a different abstraction level, but it still means that you're failing to solve the problem of consistency for businesses that that want to solve it with your product.

He just replaced "cannot consistently synchronize data" with "cannot consistently deploy a system that can consistently synchronize data". But what's the difference between those statements to people that need to solve that problem? None.