You can’t do both things. Humans want to engage in certain kinds of conversation that companies try to prevent happening.

Sometimes you just want to vent and call your boss a fuckhead and it only takes one time in a persons life to see HR punishing/firing/admonishing someone for conduct on company communication channels that would have been perfectly fine in any other setting, for that person to never trust in the “company culture”

There is no environment where messy human beings fit into the perfect set of rules and behavior that companies demand