The issue, as it seems to me, is that almost every text you read on Buddhism does not attempt to do the actual work of translation. The first transmission of Buddhism to the west reified a bunch of translations of terms, such as concentration, equanimity, tranquility, mindfulness, suffering, etc. and works since then have mostly stuck to rearranging these words in different combinations and referencing the same metaphors that have been in use since the time of the Buddha. If these authors had true discernment they would realize that the umpteenth text on 'establishing the noble bases of tranquility secluded from sensuous ignorance' or what-have-you aren't helping anyone who didn't already get the message.
The hard work of translation is to attempt to use language to point your mind at the same distinctions that the original author was trying to point to. Attempts to do this will inevitably fail in lots of ways, but can hopefully communicate enough of the core message that people can piece together the essential causal relations after which, having had direct experience as a result of skillful practice, they can help to improve the translations further.
And then he takes a swing at offering a translation of the Buddhist framework:
You generated a bunch of the primitive building blocks when you were very young and throwing everything together on an as needed basis with no instructions. You both have a backlog of such stories and story building-blocks and are generating new ones all the time. Practice improves each of these situations. It improves the backlog by going through and reprocessing stories that aren't actually reality aligned when examined...
You can clean up all the obvious stuff and then let your future self (who now has more resources) think about how to wisely deal with the fuzzy edge cases. It improves the new stories coming in (partially by learning as it processes the back log) by building far fewer incoherent stories out of pieces that don't fit together, and building less of the shittier building blocks in the first place.
The whole piece is good.