"The big thing was that the budget for the show was paid for by money we received from Mattel in exchange for the toy license," Weisman explained on the podcast. "When the toy line for Young Justice failed, the money from Mattel stopped coming in, and there was no money to make the show. It's that simple."
He noted that the reason for cancellation is important, as that makes the next question even more important: "What can we do to pay for the show in a different way?"
The answer is "to demonstrate to Warner Bros. that there are alternative ways to pay for the show." Weisman laid out a few simple steps:
"First is the hashtag #KeepBingingYJ, and that's about Netflix," he said. Both seasons of Young Justice are on Netflix, and every view counts. "It's a marathon, not a sprint," he said, and continued support of the show, even if that means watching an episode here and there every few days, or each week, will move the needle more than a coordinated effort by fans to all watch on one day. "If you have Netflix already, this is a really inexpensive way to help the show!"
"You can also buy it and binge watch it on iTunes," he noted. That segued into the full second way to support the show, "Buy the Blu-rays or the DVDs." Of course, that means you have to buy them new, not used, so the money goes to Warner Bros. If WB Home Entertainment goes to WB Animation with great Blu-ray sales, that half of the company can request more episodes, or a movie, or something more to do with Young Justice.