I don't involve myself with how others ride, not do I care what others think of how I ride. We each do what works best for ourselves.

As for in-lane passes, east coast lanes tend to be too narrow for this no matter what. But east coast drivers don't look at lanes and the dividers as gospel. We use the lane dividers as guidelines and flow around obstacles and other vehicles by moving over as far as necessary. Passing a bicycle generally requires a half lane change which is easily managed with a gap in oncoming traffic.

At times on busier 2 lane roads we do it (what I call) European style. The driver passing me makes a half lane shift overlapping the center line, and the oncoming drivers move over in their lane to accommodate it. Even on our narrow roads, there's plenty of room for two cars and one bicycle if folks care to make it happen.

BTW- interpolating between the lines on BF posts, I've come to the conclusion that the aggressive, rude drivers in major northeast cities are actually much better re: cyclists than those in the supposedly bike friendly cities out west. I don't state this as a fact, it just seems that way. Possibly because of narrow roads and poor pavements, and the higher congestion drivers here are much more adapted to the idea of doing what's needed to flow around obstacles. I remember a study decades ago that showed that NYC enjoyed the shortest life expectancy of pavement markers in the USA, and that's despite laying down thick Thermoplast lines instead of paint.