Your local gas station has more volatile chemicals stored in larger concentrations with far less qualified operators handling it daily, than the subject fertilizer plant.
270 tones of ammonium nitrate and tank car after tank car of anhydrous ammonia.
The average gas station has tank capacity for maybe 30,000 gallons and they are rarely full. All of it is underground and away from potential ignition sources. They are also designed by people who know what they are doing. Something this facility in Texas could have used.
So your statements just arent true.