Tell HN: A job is more important than you might think

If your job is your only place of social interaction (or even your primary place of social interaction), you have other problems.

I am not sure if you meant to be unkind, but people interact and socialise in different ways, and each has to find a way which they find appropriate. I think "other problems" suggests there is a norm (perhaps yours) which everyone should aspire to.

The shared secret is that fraternizing with colleagues after work is forbidden but people do it anyway.

Having non-cow-orker friends is generally a good idea anyway.