Your only meaningful point is the first one, that games aren't cheaper. The rest are not related to price. A shopping cart, for example, is just a feature. And

Your only meaningful point is the first one, that games aren't cheaper. The rest are not related to price. A shopping cart, for example, is just a feature. And the Apple and Linux gaming markets are so small that its generally not worth developing for them unless compatibility comes free with your engine. The EGS store was intended primarily as a sales vehicle for Fortnite, with support for other games being grafted on over time...the same way that the Steam store got its start. Steam used to be an utter piece of shit too, and it took years for them to get to where they are today. (Note: Epic's Unreal Engine actually does support Apple and Linux, however the anti-cheat mechanisms in Fortnite wouldn't work on either platform, and given the almost-daily updates required it would require a fairly hefty user base on those platforms to justify support.) By they way, Epic contributed Unreal Engine to the world. Only a few thousand games are made on it, including the world's current most popular game, Fortnite. Other notable games using the current version of Unreal Engine include Crash Bandicoot, the newest Batman game, Final Fantasy 7 Remake, Gears of War 4 and 5, Hellblade, Kingdom Hearts, Minecraft Dungeons, NBA 2K, PUBG, Sea of Thieves, Star Wars JFO, System Shock remake, The Outer Worlds, and oddly enough Youshi's Crafted World. UE3 was around long enough that all of the original Mass Effects used the engine. Other notable games on the UE3 engine include the Medal of Honor series, Mortal Kombat, Rocket League, XCOM, Tom Clancy games, Infinity Blade (one of the games credited with making iOS a gaming powerhouse), Gears of War 1-3, Devil May Cry, Borderlands 1 and 2, and the older Batman Arkham games.