I do not see good points in newbie users being able to use PM. There is a lot of risks they take when receiving a PM. And most newbies use it to spread spam, scam and stuff like that.
In addition, any bug-related issues about wallets problems should be addressed in public posts. There is no real gain for this conversation to be private. Since the solution to the problem can help several other users later.
But the problem in question can potentially harm several other people. It's not a simple scam, and for those who do not understand how Bitcoin and transactions work, it can easily fall into something like that. It would be important for more people to know about this possibility. Especially in the novice section. It would be important for more people to know about this possibility. Mainly in the Beginners & Help section.