The problem with this kind of limitation is not that it's conceptually wrong (it probably isn't), but that there are a lot of other models that produce interesting results, and that either ignore or outright reject the central premise here.
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Replying to @Triquetrea @chagmed and @rubot
I think if we limit the idea of meditation as being attentional training, we can say that it’s best to keep that as front and center in the practice, which means ignoring the fireworks at every opportunity. Meditation is more for many, so it’s not a blanket proscription.