Square that statement with your SOURCES contention that there are 15,000 adult bookstores. 20 times would be a number of 500,000 stores renting and selling porn.
And lets use that 25,000 number for the sake of simplicity. Again YOUR sources claim that they outnumber McDonalds by greater than 3-1 is shown to be a lie.
When you have to use lies to support your argument you have no argument.
You're the liar. The article says more than 15,000 "adult" bookstores and video stores offer pornographic material.
The fact remains. There are more pornographic book and video stores than there are McDonalds'