Hell yeah they are.
No, not really. The majority of Musicians seem to be over/under-weight, greasy, foul-mouthed socially awkward egotistical douche bags, or sad-sacks who write songs about how lonely and tired they are, only to go get themselves shitfaced before yelling at a large crowd of people who may actually want to spend some time getting to know them.
This Is Coming From A Professional Musician.