Authors:

It's not the norm when creators have any protections with regards to creative control. And so it took some time, I think, for the strip to gain enough popularity where I had enough leverage to come in and say, "It has to be done in a certain way or it's not going to be done at all," and then have people willing to put up with that who were ultimately paying for it. You know, for them to be willing to kind of concede those kind of things. It just takes time, you know?

Source: www.avclub.com
It's not the norm when creators have any protections with regards to creative control. And so it took some time, I think, for the strip to gain enough popularity where I had enough leverage to come in and say, It has to