There is a point beyond which the probability of finding meaningful content is too low to justify the work required to find it. Beyond this point, limiting yourself means never trying.
The juice ain't worth the squeeze.
Do you mean that they should [stop (absorbing everything)] and therefore absorb only _some_ things, or that they should [(stop absorbing) everything] and therefore absorb nothing?
Absorb and consume only some of the things.
Although now that I think of it, stopping absorbing everything, or, _absorbing nothing_, might be a good mindfulness practice.