Here's the story for those with Insider access.
https://insider.espn.go.com/nba/story/_/id/10363711/nba-brick-index-identifies-nba-worst-shooter
For the rest of us, here's some more info, with the rankings.
https://www.pistonpowered.com/2014/01/josh-smith-is-nbas-most-destructive-shooter/
1. Josh Smith
2. Tayshaun Prince
3. Michael Carter-Williams
4. Dion Waiters
5. J.R. Smith
6. Glen Davis
7. Brandon Jennings
8. Trey Burke
9. Zach Randolph
10. Kirk Hinrich
The basic idea seems to be that the "brick index" takes the shooting percentage relative to the league average shooting percentage, and then based on the player's shooting frequency calculates how many points were lost because the player didn't shoot better.
https://insider.espn.go.com/nba/story/_/id/10363711/nba-brick-index-identifies-nba-worst-shooter
For the rest of us, here's some more info, with the rankings.
https://www.pistonpowered.com/2014/01/josh-smith-is-nbas-most-destructive-shooter/
1. Josh Smith
2. Tayshaun Prince
3. Michael Carter-Williams
4. Dion Waiters
5. J.R. Smith
6. Glen Davis
7. Brandon Jennings
8. Trey Burke
9. Zach Randolph
10. Kirk Hinrich
The basic idea seems to be that the "brick index" takes the shooting percentage relative to the league average shooting percentage, and then based on the player's shooting frequency calculates how many points were lost because the player didn't shoot better.