Fuck AI

If all it takes to be a “real artist” is drawing proficiently

I think you are miss-understanding the argument.

Pro-AI folk say that being anti-AI, as a digital artist, is hypocrisy because you also used a computer. Here it is shown that, despite not using a computer, the artist is still able to create their art, because there is more to the visual arts than the tools you have to make it. This puts rest to the idea that using digital art tools is somehow hypocritical with being against AIGen.

The argumentor is not saying that not knowing how to draw proficiently excludes being an artist. They are just saying that real artist do not need a computer program to create their arts, much like performances or installation artists you mentioned.