Video game cheaters spend $8.5 billion a year. That's bigger than the entire esports industry, betting included. Activision just published the math, and the business model underneath is the wild part. Cheats sell as subscriptions now. The average one runs $40 a month, premium aimbots go past $100, and across just 15 popular games the subscriptions alone pull in $3.5 billion a year. The other $5 billion comes from everything wrapped around the software. Replacement accounts for when you get…