There is no restriction of through traffic. Effectively pedestrians are still confined to tiny and overcrowded sidewalks.
By comparison, here’s what a pedestrian street looks like in the non-US city I grew up in: https://sana.ae/wp-content/uploads/2020/04/Corso-Italia-Stre...
Keep in mind that cars are still allowed for emergency services and (night time) deliveries. But the difference is night and day.
This is exactly what “the US can't imagine itself without cars” means to me.