There are many ways an artist can compensate their influences. Some of them are monetary.
When discussing our work, we can name them.
When one of our influences comes out with a new body of work, we can gush about it to our own fans.
When we find ourselves in a position of authority, we can offer work to our influences. No animation studio is really complete without someone old enough to be a grandfather hanging out helping to teach the new kids the ropes in between doing an amazing job on their own scenes, and maybe putting together a few pitches, for instance.
We can draw fan art and send it to them.
None of these are mandatory, but artists tend to do this, because we are humans, and we recognize that we exist in a community of other artists, and these all just feel like normal human things to do for your community.
And if an artist suddenly starts wholesale swiping another artist's style without crediting them, their peers get angry. [1]
1: https://en.wikipedia.org/wiki/Keith_Giffen#Controversy
OpenAI isn't gonna tell you that it was going for a Cat & Girl kind of feel in this drawing. OpenAI isn't gonna offer Dorothy Gambrell a job. OpenAI isn't going to tell you that she just came out with a new collection and she's still at the top of her game, and that you should buy it. OpenAI's not going to send her a painting of Cat & Girl that it did for fun. OpenAI isn't going to do anything for her unless the courts force it to, because OpenAI is a corporation who has found a way to make money by strip-mining the stuff people post publicly on the Internet because they want other humans to be able to see it.