Another thing that needs to improve is the humor cartoons meant for adults. Simpsons, Futurama, Venture Bros, American Dad even South Park to a degree are the only adult comedy toons to not being reliant on vulgar humor or at least have decent writng. Past examples which could be used for reference also include The Critic, Mission Hill, King Of The Hill, Space Ghost Coast To Coast, The Brak Show, Harvey Birdman Attourney At Law and the early episodes of Aqua Teen Hunger Force.
I mean, I find the comedy cartoons for children to be more clever than most of Adult Swims comedies any day.
There's good American animation, and bad American animation.
There's good anime, and bad anime.
Extremism like in the videos are inaccurate as to which has more quality.