If this had been a real act of terrorism by REAL terrorists, you'd have been instructed to tune to your local station, which would have told you that about 100,000 people were very, very ill.
Stupid Anthrax deal was just numb-nuts, that's all there is to it.
Like I said: Ted Kasczinsky made a bigger splash.
That requires some comeptent execution and some sophisticated manufacturing (the usual tool in biowar scenarios is a bug-spray fogger in an air conditioning intake--and that means someone has to fill the sprayer).
Stupid Anthrax deal was just numb-nuts, that's all there is to it.
Terrorists are not always competent. Witness the number of "own goals" by bombers.