The AI job displacement story everyone's been worried about just got worse. 43% of CEOs plan to eliminate junior positions over the next two years as AI takes over routine tasks, according to a new survey. But the real catastrophe isn't the jobs being cut — it's the career ladder being demolished.Here's the problem nobody's talking about: how do you become a senior developer if there are no junior developer jobs? How do you learn the tacit knowledge, the organizational context, the debugging instincts that only come from years of doing the grunt work?The Gizmodo analysis reveals that companies aren't just cutting costs — they're fundamentally restructuring their workforce demographics. Hiring is shifting toward older, mid-level workers who already have experience. Entry-level positions are being replaced by AI that can handle code reviews, data entry, basic analysis, and routine communications.This creates what economists call a catastrophic bottleneck. The tasks being automated aren't trivial — they're the training ground where junior employees develop into senior ones. Writing test cases teaches you how software breaks. Fixing bugs teaches you how systems work. Responding to customer support tickets teaches you what users actually need.When AI takes those tasks, it doesn't just replace jobs. It replaces the entire mechanism by which expertise develops. You can't skip from college graduate to senior engineer without the years of pattern recognition that come from doing the work.The irony is brutal: companies are investing billions in AI to increase productivity, while simultaneously cutting the pipeline that produces the experienced workers they'll need in five years. It's the corporate equivalent of eating your seed corn.From conversations with engineers in the field, the shift is already visible. Entry-level job postings increasingly require 3-5 years of experience — a contradiction that would be funny if it weren't so economically destructive. Internships that used to convert to full-time offers now just... end. New graduates are competing for a shrinking pool of positions against candidates with established track records.The tech industry has a tendency to solve immediate problems while ignoring second-order effects. AI can handle routine tasks? Great, cut junior headcount. But in 2029, when those mid-level workers you're hiring today need senior engineers to mentor them, where will those senior engineers come from? Not from the class of 2026, who couldn't get their foot in the door.This isn't hypothetical. The data is already showing impact. Job market surveys reveal that recent graduates are facing the worst entry-level employment prospects in over a decade, despite the economy's overall strength. Companies are profitable, hiring is happening, but it's not happening for people starting their careers.Some will argue AI will create new roles that we can't yet imagine. Maybe. But the people who'll fill those roles need foundational experience — and we're systematically preventing them from getting it. You can't build the second floor until you've constructed the first.The technology is impressive. The question, as always, is whether anyone actually thought through what happens when we deploy it at scale without considering the broader system we're disrupting. Based on this survey data, the answer appears to be no.