Consider this the downside of running any live service software. The upsides are well-known: total control over use and billing for every individual user during

Consider this the downside of running any live service software. The upsides are well-known: total control over use and billing for every individual user during every millisecond. But the downside is that you are now in the causal connection for every use, and therefore liable for its behavior. By contrast, selling an independant automata limits your liability considerably. Indeed, this is a compelling argument in favor of making "local first" software.