The league sent its officials new guidance on four call types it describes as "high-volume and highly impactful," and push-offs are on the list. That is the NBA push-off crackdown in one line, and if you handicap early-season basketball it is the only preseason news that matters, because whistles change scoring environments faster than rosters do.
Here is the mechanism, and it is worth being precise about. A push-off is an offensive foul. The off arm into the chest to create separation, the shove on the catch, the swim through a trailing defender. Tighten that and you do not get a free throw parade, you get offensive fouls, dead balls, and turnovers charged to the guys who make their living on separation. Most points of emphasis in this league have historically pushed scoring up. This one leans the other way.
The honest caveat: I have one of the four named and I do not have the other three in front of me yet. That matters a lot. If the remaining three are defensive contact items, the net flips and you are back to a higher free throw rate and a friendlier number for overs. One memo item is a direction, not a conclusion.
Checked the almanac on this, because the league has run this play before. The 2004-05 hand-check crackdown opened driving lanes and lifted scoring across the board, and perimeter guards got rich off it. Then before 2021-22 the league told officials to stop rewarding overt non-basketball moves, and the foul-drawing artists watched their free throw rates fall off a shelf. Same memo genre, opposite outcomes. That is the whole reason you read the specifics instead of the headline.
How I price it: rule emphasis is a possession-and-free-throw story, and until I see free throw rate and offensive foul counts from actual games, it is a hypothesis with no number attached. Nothing clears on a memo. What would confirm it is simple. Preseason tape with push-off calls actually getting blown, offensive foul counts climbing, and the whistle surviving into November instead of quietly going back in the pocket by the second week.
That is what I am watching: the first two weeks of free throw attempts per 100 possessions and whether iso scorers are the ones eating the fouls. Keep this in the entertainment budget, 21+ where legal.