Maybe. For node.js devs. And HTML/Markdown/non-programming coders. Not sure about the others.

A good programming editor must treat code constructs as first-class citizens and (at least partially) operate on AST level, not go with typical "hey, we have a bunch of text that we colorize and bracket-match/fold/dissect with some mostly-working regexp mess¹" approach. The latter is just a notepad, not a decent development environment.

As I suspect this editor isn't much different from notepad/textmate/sublime in this regards and it doesn't really understand a thing about the code I'm working on (just pretends it does), it seems quite useless to me.

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¹) Like this: https://github.com/atom/symbols-view/blob/master/lib/.ctags

Apple's 30% cut

Not to mention the amount of features they'd have to remove in order to comply with Apple's standards.

Would its plugin / scripting library even be allowed? I don't know the specifics of the OSX app store rules.

Based on BBEdit, which does have a version in the App Store, the plugins and scripting would be just fine -- but the CLI integration wouldn't be. (Although you could probably download it separately.)

I don't really see what the advantage of putting ST in the App Store would be, though, for either its developer or any of the users. I like the App Store well enough for certain things, but for developer tools and many utilities the sandboxing tends to be an annoyance at best.

(Also, I don't like that the App Store makes upgrade pricing completely impossible, but that's a whole different rant.)

Yeah, there's really no incentive for them do it aside from accepting non-Paypal customers.

paypal accepts transactions without accounts just cards...

Not if it's the same card used on a limited PayPal account :)

Curious, what is the added value for you if it is on the App Store?

Because?