Well, historically I think it was because Markdown was created by a Mac user. And most of the early Markdown hackers were Mac users. Obv. Markdown is now much

Well, historically I think it was because Markdown was created by a Mac user. And most of the early Markdown hackers were Mac users. Obv. Markdown is now much broader, but I still think the market of people who actively care about a Markdown-based editor for desktop or mobile are more likely to be using a Mac and iOS than Windows/Linux/Android. If you think about it, however, that's a huge market opportunity for Markdown devs on those platforms.