It is 100% accurate, it sounds like you just are completely unaware of the fact the autocomplete on a bunch of popular IDEs for the past couple years is AI gen backed.
It literally sends your code as tokens to their server and prompts an LLM to FITM generate code, then sends that back to your IDE which then prompts you with it as a tab complete.
Its been like that for easily 2 years now.
People have such a little clue about this, they are constantly shocked to find it out.