All those examples are excellent. The whole process of enforcing topic title uniqueness (per domain) makes it more likely that when you click on a link, you will kinda get what you expect. That’s a net benefit to the world.
I’m a TL4 on a different site and I find editing topic titles to make them better and more descriptive is maybe 70% of the job. So many people do stuff like this…
(yes, we’re working on an official theme component that detects unformatted code or logs and nags before posting, as well)
The world does not need 100 topics titled “keep getting error”.