Also, LLMs are terrible at optimizing memory utilization.

I've already posted this elsewhere, but here it is again: https://news.ycombinator.com/item?id=49226923

A vibe-coded OS that runs on an 8088 with 256KB of RAM.

As proof, I'm can literally feel the web getting slower and I bet many others feel this as well.

"It's not the tool, it's how you use it..."