Even if you introduce bugs in your UI (which I think is not very likely if you have a basic understanding of your system), the chance that someone would exploit software that literally only runs on your own machine seems extremely unlikely to me.
The old human nature tendency of "Just ship it!" and the desire to move on to the next shiny thing on our wishlist doesn't go away with AI. If it anything, it makes it worse.
I've been using arch for over 10 years btw.