The primary sensors are the multiple cameras so this criticism is not relevant. The radar is primarily for low visibility situations (according to marketing). Of course the use of cameras as the primary itself is controversial but they do in theory disambiguate the situations you describe regarding stationary objects, limited resolution, and degrees of vision.

In balance: https://www.theverge.com/2018/2/7/16988628/elon-musk-lidar-s...