when they resume production they should stick with 2 or 3 models and that's it. I have a colt AR and am happy with it. To my knowledge Savage has never made an AR platform rifle and they are doing just fine.
Several reasons here are just a few.
Program/facility rules
Example project Appleseed, NRA basic courses
Skill level of students.
I have had a student start to ask a question about their gun and proceed to pull it out of their holster and point it at me with their finger on the trigger!
IMPD Portion of stolen high-powered guns found in Indy home - TheIndyChannel.com
all I want to know is where wallet was between 8pm Friday and 8am Saturday!