I haven’t tried with this, but maybe it’s easy to host it locally. That’s what I do with the stable diffusion web UI
Is this tabbed user interface what you’re asking for?
https://books.libreoffice.org/en/IG72/IG7212-UserInterfaceVariants.html#toc8
I don’t find this argument very convincing. All artists draw some inspiration from previous artwork, that doesn’t make it plagiarism. Even if it’s heavily influenced by other artwork it’s not plagiarism if it’s something original.
Sometimes it’s not so easy to fire up a GUI, like when you ssh into another machine.