> 2) Recursion & Tail Call Elimination: How would one solve this problem in any other language with a stack? Memory concerns don't just exist in the browser.

Be honest now, did you actually read the article ;-) because it answers that exact question.

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> Languages with Tail Call Elimination will recognize this situation and basically rewrite the function into a while loop. Since this is a low-level function, we should do the same, but sometimes it's hard to know when you're recurring dangerously.

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> but it won't go away just because you don't like it.

I didn't like it and it go away. Out came Dart. I like Dart. All worked out well so far.