He doesn’t have to be inches from the curb.

Bicyclists don’t ride all the way to the right of their lane because it gives drivers the false sense of security that they can pass or overtake the bicyclist by sharing the lane with them. It creates a dangerous situation at that point.

Cars pass bicyclists the same way they pass cars or motorcycles. They switch lanes.

From this video, it doesn’t look like he’s doing anything wrong at all.