>>11155172They have a much higher on average weekly in-ring product.
If that is your preference, you are typically better off with AEW as WWE is more drama and spectacle oriented and only can use talent within it’s own bubble while AEW can dig from talent of various promotions and showcase a multitude of styles. Their level of violence is also not restricted by a PG banner.
That said nothing is stopping you from watching both. I’ve dropped WWE years ago but I’m not a console warrior and watch various shows including significant recommended matches from WWE. You don’t have to watch ONE American promotion.