Look at the solo projects from professional devs with nobody overseeing them. Look at what so many of your colleagues submit despite the frustration of your thoughtful team lead and manager. Look at what your so many of your team leads asks for even when they've been granted full discretion. Some select few are great, but most are disturbing if you have any sense of quality or preparedness yourself.
Even for decades before AI, there was lazy naive misguided slop everywhere. During the social coding era of the last 15 years this even amplified itself, streamers and influencers and conference presenters -- professional developers themselves -- would share horrid practices to wide applause. Moving fast and breaking things was what developers were excited about. Rigor was dead. Correctness was a problem for later. Code was presumed best written by a rando on github who'd accumulated a lot of stars rather than by a known responsible hand. Security was a copy and paste job from Stack Overflow, not something to be comprehended and considered.
If only it were a top down problem from outsiders!
But the truth is that the call has been coming from inside the house all along, and the outsiders giving direction have had no problem finding celebrated industry "experts" and "thought leaders" affirming and encouraging all the clowning they could imagine.
Developers could always move fast and do things right but most just didn't have any interest in learning how, and many of those who might have just gave up on bothering.
In fact, I have myself spent years on solo projects with the goal of making perfect software. You know, nothing like getting a few users to quickly destroy that idea from your naïve brain. You can’t write perfect code because that is nearly impossible for most of us, no matter how hard and how long you try. Think of it like this: can you beat the greats in your favorite sport or hobby? Probably not, you may be good at a small team level, but at a large city level you are almost certainly mediocre. This goes for your coding skills too. How many great developers out there creating great software we all know and use and love? I know a couple of names, that’s it. Most of us are writing shit enterprise applications everyone who is forced to use hates and that has more bugs than PHP in the early days. And when we try our own thing it’s even more horrible. Show me your repos and let me se if you’re the genius you think you are. Oh of course, you don’t have time to spend on hobby projects since you have a life… great, enjoy that, but don’t pretend you’re able to paint the Mona Lisa just because you spend all day with a brush in your hand striking on a canvas that no one can really see and if they did, it would most likely be a repulsive, incomplete, bug hidden piece of shit.