I live in the US and bike lanes are not shared lanes for turning or stopping where I live.

If you're making a right-hand turn in the US as a driver and there's a protected bike lane you're crossing through that lane to turn. And, when I sit outside in the summer at one of my usual restaurants with sidewalk seating, there are any number of horrifying combinations of bicycles, ebikes, escooters, and things that look like electric motorcycles routinely blowing through the red light at the adjacent intersection--cause they're in a bike lane I guess.

They are where I live