That's pretty much every tech company these days. People wrongly claim they "over hired", but in reality these companies were trying to open up a half dozen new initiatives all at once. I worked at Unity and you'd be surprised what aspects were worked on (publicly, so I can pull it up if interested " that you probably never heard of.

Those all shuttered as companies went into maintenance mode. I'm sure Epic has similar reactions. I remember them going pretty hard on cinema and architecture, but those have been quieter over the years.

No percentage will make it profitable when they are giving away the games.

Seriously? Are you seriously making this argument?

Are you seriously comparing running a PC app store vs App Store? One is the most open platform and the other has only one (1, uno, sole, single) app store.