Recently physics.SE has seen more users regularly including salutations and sign-off in their posts. That behavior has been strongly discouraged on Stack Overflow for a very long time, and I would prefer the same here. But I'm not ready to start a major editing campaign without polling the locals.
See also:
- Editing for Brevity? (Closed as a duplicate of the above, but much more recent and containing some additional discussion.)
Thought?