>>103784069This. Most americans associate japanese animation with action, so they watch anime to get their action fix instead.
It's not a coincidence that action cartoons died around the time the people who grew up during the 90s/2000s anime boom grew up.
The people who were interested in western cartoons and liked western animation enough to become a part of the industry mostly watched comedy shows like edd edd and eddie and the simpsons growing up, leading them to create comedies when they grew up.
The kids who were in to anime exclusively also read manga, and as a result most of them went into the vastly more accessible world of comics and especially webcomics