Where I'm really not sure is, what percentage of the software written today actually needs human work?

I mean, think about all the basic form rendering, inputs masks, CRUD apps. There's definitely a ton of work in them and they're widely used, but I'm pretty sure that a relatively basic AI-assisted framework could recreate most of these apps with hardly any actual coding. Sure, it won't be super efficient or elegant, but let's be honest: nobody cares about that, if they're good enough.

Just look at Wix, Wordpress, Squarespace etc. Website builders basically imploded the "low effort" web design market. Who would pay hundreds for a website made by a human, if you can just click together something reasonably good looking in 2h?