I also have a suggestion. Bring light weight black trash bags to put over empty seats nearby. They would double or triple the effect easily and for pennies.
Just my opinion. If I was going I'd take 50 bags to bag all the empty seats I could find.
To argue with a man who has renounced the use and authority of reason, and whose philosophy consists in holding humanity in contempt, is like administering medicine to the dead, or endeavoring to convert an atheist by scripture.