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by coldtea 2813 days ago
>And that's to say nothing of the many limited domains where level 4 is definitely doable, including closed-environment mining and manufacturing sites. As well as adjacent industries (e.g., maritime) where even levels 1 and 2 could help a lot.

Yeah, I have no doubt about special purpose level 4 in limited environments. My comment was about seeing general purpose 4 and 5.