Normally I'd agree with you but this particularly problem is SO visible, and experienced by everyone, that I have to think management must have looked into it. I mean, it's the loading screen. They couldn't not encounter it themselves, every time.
But I could be wrong. I've only worked with sites and apps not gaming.
I don't think you choose to become a manager at one of the world's top video game companies if you don't love video games.
Hell, I don't think one of the world's top video game companies would hire you as a manager if you didn't convince them, in interviews, that you understand and love their products by using them yourself.
Using your own company's products whenever possible is generally a pretty important part of being a manager.
I think someone in QA likely might have the scenario you describe, but I think management might only be playing the game 2-3 times a day at most. They're likely trying to keep the studio organized enough to have the game ship decently.
But I could be wrong. I've only worked with sites and apps not gaming.