I am a little disturbed that you think you would have been more effective than 58 killed, 876 injured (411 with bullet/shrapnel wounds). 1 person, in a hotel room, at 200yds+.
You do realize that is much more than 1000 rounds downrange? please explain how you would have been more effective...
More deaths.
Less injuries.
He "spray and prayed" into a crowd.
With no bumpstock, he could have just yanked the trigger.
Then they'd be calling for banning semi-autos. .oh wait, they are trying to ban those.
200 yards isn't any distance at all for a rifle.
Slow down a bit, and aim, and the percentage towards death would have skyrocked.