Even if they never get better than they are today (unlikely) they are still the biggest change in software development and the software development industry in my 28 year career.
That's for sure; I said with the original chatgpt already ; if this is the level it stays at but just becomes (much) faster and open, it's already a bizar revolution. Something many old former (and current, as I see online, but I don't know any personally) AI students/researchers did not think possible in our lifetime, and there it was.