I remember Jeff Bezos said that something like promoting more communication/collaboration is wrong.
And managers should focus on making people working independently.
I'd love to see the original source for that one! Kind of ironic given RTO+bullpen approach we're seeing now.
I would say both are good, but collaboration should happen naturally. You cant force it. If I want help I'll ask for help, if I want to brainstorm I'll ask a colleague to brainstorm.
Most of the time I just want people to leave me alone so I can get stuff done.
Silos are so much worse though. Open communication/collaboration is great but needs to be rate limited to enable focused work.