WSJ:

Vibe slop happens when coders replace the hard work of designing and testing a system with the shortcut of prompting AI to whip it up … and the resulting software won’t stand the test of time. It’s become a big enough problem that the world’s main repository of open-source code — GitHub — has instituted new policies and features to combat it. […] 

These systems are supposed to make senior engineers so productive that companies can lay off junior engineers, but in reality, many companies are trading near-term productivity for long-term woes. Not only does the pipeline of junior talent dry up, but residual effects include buggy software, service outages, security vulnerabilities and mounting technical debt.