The basics have been standardized many times. People who pay for something like Fanstastical aren't looking for just the basics - delegates for example. ICal al

The basics have been standardized many times. People who pay for something like Fanstastical aren't looking for just the basics - delegates for example. ICal also support vendor extensions that need support. HN of all places is one I wouldn't think would assume software maintenance is easy. But, it's where I saw people complain about the Uber app size until an Uber engineer showed up and explained the many screens for payments alone.