The read-it-never phenomenon is due to 1) lack of priority, and 2) loss of interest. I tackle this by setting aside 30-60 minutes a day to listen to or read something of interest. Everything is in a bookmarks folder and each session starts by adjusting the order of the bookmarks into priority including removing items that I've lost interest in. Then I spend the rest of the time reading from the top of the list down.
It's daunting if you have 2,000 itmes in your doom pile, but in a list that big 90% of it should be trashed. To make it more manageable, go through 10% of it each day. It's sub-optimal, but a completely acceptable way to address it and more optimal than never reading any of it.
I've worked as an assistant a few times and it included:
Doing what you're told quickly and with little explanation is the minimal expectation. Being able to do as much as possible without supervision is what makes you valuable.