NU coaches go to the EYBL, Adidas! UA and the Circuit tournaments during live period (these are the big ones)
They identify players they want to recruit and start to build a relationship and make an offer.
Before a recruit can take an official visit, the transcript has to be sent to the school and approved. So NU misses out on a bunch of recruits on this step.
Then the recruits that qualify go visit the school. They get winded and dined, tour the school, meet with administration and the coaches. Part of the visit usually is a film session where the coaches show how they run their offense, film of the recruit playing and how the recruit will be used. (Some extra promises as well)
They talk about skills the recruit has to work on. Ball handling, increase 3 point percentage, etc.. They also talk about improving your body. So a 6'4" player weighing 170, they might him to play in college at 185.
Recruit can then go do they homework in the schools and commit.
The recruit now has Nov to June to work on the skills talked about. Coaches probably check in, but are busy with their season.
Now I agree the coach picked the player based on what was season during the live period and expects they player will keep working.
Now the recruit shows up in June and they are still at 170. Now the school has to get the weight up and improving the skill, instead of the player coming in ready.
Season starts and now the kid is behind. Not strong enough to set screens, box out for rebounding or to defend stronger players.
They were 4 star by all the recruiting services, but work ethic has caught up with.
NU had 2 four star players last year and they did not live up to the hype.
One was put in the game against Wisconsin for 4 minutes. Picked up 3 fouls, shot and airball, had two turnover and gave up an offensive. Coach cannot play him now.
That's why I say it's on both. More the player.
Take out the top 10 teams and the other 300 deal with all the time. Until you find the kids that truly play up to their ability