Lots of people are complaining about how Omni didn't ship their favorite required feature, that it isn't a proper app if it doesn't have full Dropbox support, or PDF export, or whatever. Some of us see it differently, and are happy to have OmniOutliner available on the iPad without those things, NOW, rather than waiting for them, or getting an app that has them, but is missing some of the features that set OmniOutliner apart from the crowd of apps that already do have more ways to get files in and out, but don't satisfy our desires for actual content creation.
If you're buying a tool, not a toy, presumably you're buying it to do some work. If there's work to be done today, is it not better to get started with the tool available today, rather than waiting for something better? You get the use of the tool during the time between now and such time as the tool gets your desired improvements (which are most likely delivered at no extra cost to you). If that has no value to you, why are you interested in buying the tool at all?
If you're buying a tool, not a toy, presumably you're buying it to do some work. If there's work to be done today, is it not better to get started with the tool available today, rather than waiting for something better? You get the use of the tool during the time between now and such time as the tool gets your desired improvements (which are most likely delivered at no extra cost to you). If that has no value to you, why are you interested in buying the tool at all?