Of course not. Dude is only disrespectful in the context of professionalism, like instead of calling someone Dr Smith, you call him dude. But like most people

Of course not. Dude is only disrespectful in the context of professionalism, like instead of calling someone Dr Smith, you call him dude. But like most people, I refuse, when possible to ack those assumed titles. Exceptions for when they are performing title duty. Disrespectful terms would be things like: putz, schmuck, douche(bag), neckbeard, and many others.