I want to note that you'd need about $143 in gross sales to meet the threshold of $100 in net profit.
On the surface that sounds like a lot. But, they're providing a service without any guarantee of any income. Epic can only compete because they've few users and are willing to operate at a near loss in attempt to garner market share.
This will be a difficult one for others to understand as a "good deal". Gamers are usually correct when they pull out their pitchforks. This should not be one of those times.
Competition in capitalism is always better than a lack thereof. But, we've not busted monopolies in a significant way since Ma Bell. And, even if we were, at 75% of the global market share they'd not warrant any action yet.
There's going to be a dominant organization because late stage capitalism sucks. And, I'd rather it be Valve than some alternative trying to fuck me over at every opportunity.