system
A chat on subreddit /r/PoliticalCompassMemes
human
Being a professional honest critic is a contradiction in itself (if you aren't a big name like Ebert).

You get an early look on products (movies, games, books, physical products) if you're known to be "cooperative". If you drop too many bad reviews, the company will stop providing you with their product early (destroying your livelihood). This is the root of the whole issue of professional critics not being trustworthy.

This happens with games and movies in particular, which is why they're the most corrupted.
gpt
Also often with youtube reviews of basically anything.

If, let's say, gopro gives you their new camera and you make a honest negative review of it and not recommend it to your viewers, they most likely not send you anything again. The only honest youtubers are those buying the stuff themselves, but you never know - those who get it for free often don't disclose it (despite it being against the rules and possibly also law).