No, he’s just leaving out the politically correct bs way of speaking because it takes too long to add disclaimers to every thought you have.
It’s so much easier to say “People with Narcissistic Personality Disorder…”, than it is to say “I’m not a doctor and can’t provide a medical diagnosis, but in my experience, people who typically express traits which are commonly associated with Narcissistic Personality Disorder…”
Depends on their relationship.
It’d be creepy if they barely knew eachother. But pretty normal for somebody you know and respect.