Crab
I have seen the result on two pilots ( customers ) of acrylic windshields splintering. One in a coma for 2 weeks due to piece of acrylic puncturing skull. The other 25 stitches to head. However if either had been wearing a helmet then no problem
Manufacturers are only interested in profit so using cheap inferior materials means more profit. They only change when the pressure is on. EG Robinson fuel tanks,