In my case, there are 95 packages that depend on zlib, so removing it is absolutely the last thing you want to do. Fortunately though, GPT also suggested refreshing the gpg keys, which did solve the update problem I was having.
You gotta be careful with that psycho!
It also gives a lot of right answers.
The point is not to blindly believe either and use it as a tool to further research.
Works with online forums and real life interactions too. Just because someone said or wrote something doesn’t automatically make it reliable.