No, Fortnite is/was directly made by Epic Games and is their most well known product/service.
Better analogies would be Azure as "I have to use Windows" or AWS as "I have to use the Amazon store", which sound a lot less ridiculous than your analogies.
Better analogies would be Azure as "I have to use Windows" or AWS as "I have to use the Amazon store", which sound a lot less ridiculous than your analogies.