For
Mixing work and private life can cause drama.
Against
Work is more enjoyable with real friendships.
Anonymous excerpts, translated where noted.
“It depends greatly on people, but there are so many opportunists at work that I prefer to keep a safe distance.”
“You never know when a coworker "friend" will use personal information you confided to get ahead, make you look bad, cause drama or whatever.”
“Despite that, I have colleagues and even former colleagues whom I truly appreciate.”
“My 3 best friends in life were all coworkers.”