How Badly will IronMonkey Hurt Performance?

By Michael Foord -
'Someone' (couldn't find a name - sorry) posts a blog entry arguing that the implementation strategy for IronPython on Tamarin (IronMonkey) must be slow:

How Badly Will IronMonkey Hurt Performance?

Unsurprisingly, I'm not convinced:

My Response

In a further non-surprise, the original poster is not convinced by my response:

Perspective on Python Performance

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