The disease obviously does not simply home in on those who are gay,
He knows this, as he got it after his wife contracted it from a blood transfusion back when that was still possible.
I suspect he has an irrational hatred for those he believes to be responsible.
"Well I'm in business, the business of kicking your a$$, and let me tell you...business is boomin'. I'm open for business, the business of givin' you the business...
Soylent Green is my kind of people.