Advancement? Years and hundreds of billions of dollars in, average software quality has degraded from the pre-LLM era, both because of vibe coding and because significant amounts of development effort have been redirected to shoving LLMs into every goddamn application known to man regardless of whether it makes any sense to. Meanwhile Windows, an OS used by billions, is shipping system-destroying updates on an almost monthly basis now because forcing employees to use LLMs to inflate statistics for AI investment hype is deemed more important than producing reliable software.