There are some people who can do page-at-a-time comprehension.

But I suspect that with lawyers, it is instead that it isn't words they are comprehending, rather, it is phrases which changes the whole equation.

I guarantee you that in legalese, there are a gazillion boilerplate/stock phrases, & once one recognizes the phrase, one can skip past it to see what that-"atom" pertains to.

Same as how, in music, one can see a particular phrase or series-of-phrases, & just flow through the playing of that, from one's programming, not bothering to concern oneself with the sheet-music until that phrase/series-of-phrases is ended.

I've encountered enough diversity-in-mental-capability that I'm not balking at that claim of theirs: it's possible from what I've encountered among others.

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