Epic Games' CEO says fighting Apple cost his company more than $1 billion. He says it was worth it

Philip Pacheco/Getty, Mega/Getty, Tyler Le/BI Epic Games CEO Tim Sweeney — the guy behind Fortnite — has been fighting Apple over its App Store rules for five years. Last week, Sweeney won what could be a far-reaching victory — if it survives Apple's appeal. It may also bring Fortnite back to…