Humor has historically been tied to the mores of the day. The Yellow Kid was predicated on what people thought was funny about the immigrant Irish. When you're different in a society, you're funny.
A key to my thinking has always been the almost fanatical belief that what I was engaged in was a literary art form. That belief was compounded out of ego and necessity, I guess, a combination of the two.
I want to point out to adults that there is a world of good material available to you now in comic form - in this medium - and learn to give it your support because the more you support it, the better the material will be as it comes out.