You only mentioned IIHS but the Model 3 has been consistent globally on safety test results (Cherry picking?).. Along with NHSTA and IIS in the U.S.
While BMW's crash avoidance systems also failed miserably while the Model 3 aced it the test because of the superior auto emergency braking:
https://twitter.com/tesla_truth/status/1160779803349282818
Tesla Model 3 awarded 5-star ANCAP safety rating in Australia
https://thedriven.io/2019/07/30/tesla-model-3-awarded-5-star...
Model 3 earns 5-Star Safety Rating from Euro NCAP | Tesla
https://www.tesla.com/blog/model-3-earns-5-star-safety-ratin...