> Almost like adult people can understand environment and make conscious decisions what is acceptable [...]

Apparently not because in TFA, the author shared personal facts about their divorce and other people shared even "deeper" things they'd "never heard in a work setting". Quote: "it was awkward".

These aren't things that belong in a workplace context (sure, if you're going out for drinks after work maybe you can volunteer such things - but not during a workplace meeting!).