While I can't say whether ChatGPT or others are actually doing this, it's entirely possible to use a PRNG in that spot with no loss of effectiveness. PRNGs are

While I can't say whether ChatGPT or others are actually doing this, it's entirely possible to use a PRNG in that spot with no loss of effectiveness. PRNGs are specifically designed to create the appearance of randomness out of a process that is in fact wholly deterministic.