Originally Posted by KraneXL

Unless otherwise posted, it is acceptable to share the sidewalk with pedestrian so long as we don't forget they ALWAYS have the right-of-way.
Those types of antics exacerbate the issue and give motorist the impression that cyclist are doing something wrong by using the road. Road cycling takes a bit of intrepidity; so if you don't think you can handle it, better to stay off the roads altogether.