They seem to be set that way on purpose.
Other coins are having similar issues.
posts like the above list IP addresses and people don't like their IP published on some forum frequented by hackers and scammers, makes easy target, and you're likely to know what you'll find there. Perhaps there should be a rule of only sending peer info via PM at request.
The IP addresses in getpeerinfo is public domain. Anyone can get this information either way. Not posting IPs does not mean it makes you safe. All they need to get your IPs are to run getpeerinfo themselves. Hack attempts are not welcomed but this is the only way letting the general public know of possible issues.
If you are afraid of getting hacked, start learning about security and setting up defenses or the Internet is not a place for you to toy around in.
Personally, I am not afraid of people getting my IP Address. My Honeypots will do their job in detecting intrusions and record/report infiltrations.
Paranoid users can simply do one thing right... power off their Internet connection.