Why was RL removed from Steam?

Why was RL removed from Steam? Rocket League will not be returning to Steam, as it is now owned by Epic Games. When the game went free-to-play last year, it was placed on the Epic Games Launcher, and made unavailable on Steam.

Rocket League will not be returning to Steam, as it is now owned by Epic Games. When the game went free-to-play last year, it was placed on the Epic Games Launcher, and made unavailable on Steam.
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